Ruri Rocks vocabulary, episode by episode
13 lessons
ManabiDojo Academy teaches the Japanese of Ruri Rocks one episode at a time, on Crunchyroll. Each lesson teaches up to 10 words from the episode before you watch it.
Course data as of 14 October 2026.
Each lesson
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Practice the words
Flashcards of the hardest words in the episode, so you know them before you watch. The ones you miss come back until you know them.
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Study the episode
Watch with your usual subtitles. The sentences of the lesson also show in Japanese, and the video pauses after them so you can read them, look up any word and replay them with R.
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Pass the quiz
10 sentences of the lesson play in the episode with a question each, 7 correct answers to pass.
Three levels
You pick a level when you start the course and can change it later. Each level has its own words and sentences in every lesson.
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Level 1
The most common words only
95 words
182 sentences. Words among the 500 most common.
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Level 2
A wider vocabulary
110 words
223 sentences. Words among the 1,500 most common.
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Level 3
The widest vocabulary
121 words
222 sentences. Words among the 3,000 most common.
Words by episode
The words each lesson teaches, in the order of the episodes, at the level you pick.
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Episode 1 : My First Mineral Hunt
- ホントに
- really; truly
- かわいい
- cute; adorable; charming
- 見つける みつける
- to discover; to find (e.g. an error in a book); to come across
- 全然 ぜんぜん
- (not) at all; (not) in the slightest
- 全部 ぜんぶ
- all; entire; whole
- じゃん
- isn't it?; don't you think?; right?
- どういう
- what kind of; what sort of; what
- 一緒に いっしょに
- together (with); at the same time; in a lump
- もっと
- (some) more; even more; longer
- 使う つかう
- to use (a tool, method, etc.); to make use of; to put to use
- 迷う まよう
- to lose one's way; to get lost
- いずれ
- where; which; who
- 石 こく
- koku; traditional unit of volume, approx. 180.4 litres
- それだけ
- that much; as much; to that extent
- もう少し もうすこし
- a bit more; a bit longer
- きれい
- pretty; lovely; beautiful
- 山 やま
- mountain; hill
- 探す さがす
- to search for; to look for; to hunt for
- 任せる まかせる
- to leave (a matter, decision, etc. to someone); to entrust (to someone); to entrust (someone) with
- ホントに
- really; truly
- もったいない
- wasteful; a waste
- 帰り かえり
- return; coming back
- 流れる ながれる
- to stream; to flow (liquid, time, etc.); to run (ink)
- 我慢 がまん
- endurance; patience; perseverance
- いずれ
- where; which; who
- 参る まいる
- to go; to come; to call
- 大きい おおきい
- big; large; great
- 石 こく
- koku; traditional unit of volume, approx. 180.4 litres
- それだけ
- that much; as much; to that extent
- 歩く あるく
- to walk
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Episode 2 : The Value of Golden Color
- 一番 いちばん
- number one; first; first place
- 動く うごく
- to move; to stir; to shift
- 欲しい ほしい
- wanting (to have); desiring; wishing for
- いける
- to be good (at); to go well
- 同じ おなじ
- same; identical; equal
- 考える かんがえる
- to think (about, of); to think over; to ponder
- 力 ちから
- force; strength; might
- 大丈夫 だいじょうぶ
- safe; secure; sound
- ありがとう
- thank you; thanks
- 出る でる
- to leave; to exit; to go out
- 一応 いちおう
- more or less; though not quite satisfactorily; after a fashion
- 珍しい めずらしい
- unusual; rare; curious
- 大きい おおきい
- big; large; great
- 気付く きづく
- to notice; to realize; to realise
- 逆 ぎゃく
- reverse; opposite
- 休む やすむ
- to be absent; to take a day off
- 腕 うで
- arm
- 使える つかえる
- to be usable; to be serviceable; to be useful
- 状況 じょうきょう
- state of affairs; situation; conditions
- 大切 たいせつ
- important; significant; serious
- 嵐 あらし
- storm; tempest
- この前 このまえ
- the other day; previously; before
- そのもの
- the very thing; itself
- 自然 しぜん
- nature
- 確かめる たしかめる
- to make sure; to check; to ascertain
- 価値 かち
- value; worth; merit
- 鉄 てつ
- iron (Fe)
- 意識 いしき
- consciousness
- 一応 いちおう
- more or less; though not quite satisfactorily; after a fashion
- 気付く きづく
- to notice; to realize; to realise
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Episode 3 : The Lost Planet
- 言葉 ことば
- language; dialect
- 任せる まかせる
- to leave (a matter, decision, etc. to someone); to entrust (to someone); to entrust (someone) with
- かかる
- such; like this
- あげる
- to raise; to elevate
- 絶対 ぜったい
- absolutely; definitely; unconditionally
- 頑張る がんばる
- to persevere; to persist; to keep at it
- 時間 じかん
- time
- 声 こえ
- voice
- 聞く きく
- to hear
- ちょっと
- a little; a bit; slightly
- 離す はなす
- to separate; to part; to divide
- わざわざ
- expressly; especially; specially
- 発見 はっけん
- discovery; detection; finding
- ここから
- from here; from this place
- まるで
- quite; entirely; completely
- だけど
- however
- 多い おおい
- many; numerous; a lot
- 宇宙 うちゅう
- universe; cosmos; space
- 選ぶ えらぶ
- to choose; to select
- 困る こまる
- to be troubled; to have difficulty; to be in a fix
- 所が ところが
- even so; however; still
- 役に立つ やくにたつ
- to be helpful; to be useful
- 発表 はっぴょう
- announcement; publication; presenting
- 穴 あな
- hole; opening; orifice
- っぽい
- -ish; -like
- 珍しい めずらしい
- unusual; rare; curious
- やすい
- easy
- 過去 かこ
- the past; bygone days
- 大学 だいがく
- university; college
- 報告 ほうこく
- report; information
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Episode 4 : Study of Sands
- もちろん
- of course; certainly; naturally
- 楽しい たのしい
- enjoyable; fun; pleasant
- 明日 あした
- tomorrow
- 終わる おわる
- to end; to come to an end; to finish
- 見える みえる
- to be seen; to be visible; to be in sight
- そういう
- such; like that; that sort of
- 知る しる
- to know; to be aware (of); to be conscious (of)
- じゃあ
- then; well; so
- 待つ まつ
- to wait
- 思う おもう
- to think; to consider; to believe
- 橋 はし
- bridge
- 理解 りかい
- understanding; comprehension; appreciation
- 川 かわ
- river; stream
- 厳しい きびしい
- severe; strict; rigid
- 気に入る きにいる
- to like; to be pleased with; to be delighted with
- 途中 とちゅう
- on the way; en route
- 付く つく
- to be attached; to be connected with; to adhere
- 石 こく
- koku; traditional unit of volume, approx. 180.4 litres
- 大学 だいがく
- university; college
- それだけ
- that much; as much; to that extent
- 砂 すな
- sand; grit
- 注目 ちゅうもく
- notice; attention; observation
- 青い あおい
- blue; azure
- 作業 さぎょう
- work; operation; task
- 慌てる あわてる
- to become confused (disconcerted, disorganized, disorganised); to be flustered; to panic
- 広い ひろい
- spacious; vast; wide
- 隣 となり
- next (to); adjoining; adjacent
- 理解 りかい
- understanding; comprehension; appreciation
- 所で ところで
- by the way; incidentally
- 付く つく
- to be attached; to be connected with; to adhere
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Episode 5 : Worlds Seen and Unseen
- なるほど
- I see; that's right; indeed
- 見つける みつける
- to discover; to find (e.g. an error in a book); to come across
- 場所 ばしょ
- place; location; spot
- さすが
- as one would expect; just as you'd expect (from); just like (someone)
- 意味 いみ
- meaning; significance; sense
- 見せる みせる
- to show; to display
- 必要 ひつよう
- necessary; needed; essential
- 以上 いじょう
- not less than ...; ... and over; ... and above
- 忘れる わすれる
- to forget; to leave carelessly; to be forgetful of
- なんで
- why?; what for?
- 正解 せいかい
- correct answer; right solution; correct interpretation
- 勝ち かち
- win; victory
- 考え かんがえ
- thinking; thought; view
- 特別 とくべつ
- special; particular; extraordinary
- 研究 けんきゅう
- study; research; investigation
- 集める あつめる
- to collect; to assemble; to gather
- ううん
- um; er; well
- 残す のこす
- to leave (behind)
- きれい
- pretty; lovely; beautiful
- 確認 かくにん
- confirmation; verification; validation
- 真面目 まじめ
- serious; earnest; sober
- そこから
- from there; thence
- ゴール
- goal (in soccer, hockey, etc.); basket (in basketball)
- 運 うん
- fortune; luck; chance
- 流れる ながれる
- to stream; to flow (liquid, time, etc.); to run (ink)
- 川 かわ
- river; stream
- 近い ちかい
- near; close; short (distance)
- 考え かんがえ
- thinking; thought; view
- 石 こく
- koku; traditional unit of volume, approx. 180.4 litres
- 銀 ぎん
- silver (Ag)
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Episode 6 : A Closer Look Into the Blue
- ホントに
- really; truly
- ごめんなさい
- I'm sorry; my apologies; excuse me
- 確かに たしかに
- surely; certainly
- ホント
- truth; reality; actuality
- 上 うえ
- above; over; up
- ずっと
- continuously; the whole time; all the way
- 本当に ほんとうに
- really; truly
- 次 つぎ
- next; following; subsequent
- 大丈夫 だいじょうぶ
- safe; secure; sound
- 見る みる
- to see; to look; to watch
- 運ぶ はこぶ
- to carry; to transport; to move
- 伝説 でんせつ
- legend; folklore; tradition
- 住む すむ
- to live (of humans); to reside; to inhabit
- もう少し もうすこし
- a bit more; a bit longer
- 龍 りゅう
- dragon (esp. a Chinese dragon)
- 山 やま
- mountain; hill
- なかなか
- very; considerably; easily
- 面白い おもしろい
- interesting; fascinating; intriguing
- どっち
- which way; which direction; where
- 町 まち
- town; block; neighbourhood
- 無くす なくす
- to lose (something)
- 一旦 いったん
- once
- 記録 きろく
- record; minutes; document
- 不安 ふあん
- anxiety; uneasiness; worry
- 恐らく おそらく
- probably; (most) likely; in all likelihood
- ようやく
- finally; at last
- 届く とどく
- to reach; to touch; to get to
- 小さい ちいさい
- small; little; tiny
- 当たる あたる
- to be hit; to strike
- 確認 かくにん
- confirmation; verification; validation
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Episode 7 : Seaside Recycling Studio
- もちろん
- of course; certainly; naturally
- 初めて はじめて
- for the first time
- 楽しい たのしい
- enjoyable; fun; pleasant
- 話す はなす
- to talk; to speak; to converse
- 大変 たいへん
- very; greatly; terribly
- 心配 しんぱい
- worry; concern; anxiety
- こいつ
- he; she; this fellow
- ちゃんと
- diligently; seriously; earnestly
- 置く おく
- to put; to place
- ところ
- place; spot; scene
- 恥ずかしい はずかしい
- embarrassing; embarrassed; ashamed
- 石 こく
- koku; traditional unit of volume, approx. 180.4 litres
- そのまま
- without change; as is
- 振る ふる
- to wave; to shake; to swing
- 応援 おうえん
- aid; assistance; help
- 相談 そうだん
- consultation; discussion; discussing
- 色 いろ
- colour; color; hue
- 目指す めざす
- to aim at (for, to do, to become); to try for; to have an eye on
- よっしゃ
- gotcha; alrighty; got it
- 大好き だいすき
- liking very much; loving (something or someone); adoring
- 偉そう えらそう
- self-important; important-looking; pompous
- 学生 がくせい
- student (esp. a university student)
- 趣味 しゅみ
- hobby; pastime
- 緑 みどり
- green
- 道具 どうぐ
- tool; implement; instrument
- 拾う ひろう
- to pick up; to gather
- っぽい
- -ish; -like
- 理解 りかい
- understanding; comprehension; appreciation
- 恥ずかしい はずかしい
- embarrassing; embarrassed; ashamed
- 相談 そうだん
- consultation; discussion; discussing
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Episode 8 : The Golden Elegy
- 見つける みつける
- to discover; to find (e.g. an error in a book); to come across
- かしら
- I wonder; do you think?; I might
- 場所 ばしょ
- place; location; spot
- 少し すこし
- a little; a bit; a small amount
- 呼ぶ よぶ
- to call out (to); to call; to invoke
- 終わる おわる
- to end; to come to an end; to finish
- 一緒に いっしょに
- together (with); at the same time; in a lump
- やっぱり
- as expected; sure enough; just as one thought
- 考える かんがえる
- to think (about, of); to think over; to ponder
- 違う ちがう
- to differ (from); to be different; to be distinct
- 反応 はんのう
- reaction; response
- 当たり前 あたりまえ
- natural; reasonable; obvious
- 進む すすむ
- to advance; to go forward
- 落とす おとす
- to drop; to lose; to let fall
- 発見 はっけん
- discovery; detection; finding
- ってば
- speaking of
- それでも
- but (still); and yet; nevertheless
- 結果 けっか
- result; consequence; outcome
- もしかして
- perhaps; possibly; maybe
- 危ない あぶない
- dangerous; risky; hazardous
- 適当 てきとう
- suitable; proper; appropriate
- 常に つねに
- always; constantly
- 向く むく
- to turn toward; to look (up, down, etc.)
- 関わる かかわる
- to be affected; to be influenced
- 周り まわり
- circumference; girth
- 川 かわ
- river; stream
- 残り のこり
- remnant; residue; remaining
- 反応 はんのう
- reaction; response
- 重い おもい
- heavy; weighty
- 当たり前 あたりまえ
- natural; reasonable; obvious
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Episode 9 : Time Capsule of 19 Million Tons
- 外 そと
- outside; exterior
- 空 から
- emptiness; being empty
- 行う おこなう
- to perform; to do; to conduct oneself
- 変わる かわる
- to change; to be transformed; to be altered
- 本当 ほんとう
- truth; reality; actuality
- じゃん
- isn't it?; don't you think?; right?
- どういう
- what kind of; what sort of; what
- ごめん
- I'm sorry; my apologies; excuse me
- 頑張る がんばる
- to persevere; to persist; to keep at it
- こっち
- this way; this direction
- 川 かわ
- river; stream
- 倒れる たおれる
- to fall (over, down); to collapse; to take a fall
- 重い おもい
- heavy; weighty
- 疲れる つかれる
- to get tired; to tire; to get fatigued
- 歩く あるく
- to walk
- ううん
- um; er; well
- 甘い あまい
- sweet-tasting; sweet; sugary
- 感じる かんじる
- to feel; to sense; to experience
- 見つかる みつかる
- to be found; to be discovered
- 今まで いままで
- until now; so far; up to the present
- 底 そこ
- bottom; sole
- 葉 は
- leaf; blade (of grass); (pine) needle
- 悔しい くやしい
- frustrated (over a failure, humiliation or injustice); annoyed; chagrined
- 易い やすい
- easy
- 付く つく
- to be attached; to be connected with; to adhere
- やはり
- as expected; sure enough; just as one thought
- 見つかる みつかる
- to be found; to be discovered
- 今まで いままで
- until now; so far; up to the present
- なるほど
- I see; that's right; indeed
- 動く うごく
- to move; to stir; to shift
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Episode 10 : Sentence to an Abandoned Railroad
- 最初 さいしょ
- beginning; outset; first
- 昔 むかし
- the old days; the past; former times
- なるほど
- I see; that's right; indeed
- 見せる みせる
- to show; to display
- 行ける
- to go; to move (towards); to head (towards)
- まさか
- by no means; never!; well, I never!
- 戻る もどる
- to turn back (e.g. half-way)
- 所 ところ
- place; spot; scene
- 使う つかう
- to use (a tool, method, etc.); to make use of; to put to use
- 死ぬ しぬ
- to die; to pass away
- 冗談 じょうだん
- joke; jest; funny story
- いつか
- sometime; someday; one day
- 楽しみ たのしみ
- enjoyment; pleasure; amusement
- 普通 ふつう
- normal; ordinary; regular
- 残る のこる
- to remain; to be left
- もちろん
- of course; certainly; naturally
- なるほど
- I see; that's right; indeed
- 場所 ばしょ
- place; location; spot
- 楽しい たのしい
- enjoyable; fun; pleasant
- 行ける
- to go; to move (towards); to head (towards)
- 信頼 しんらい
- reliance; trust; faith
- 確保 かくほ
- securing; obtaining; ensuring
- 黒い くろい
- black
- 工場 こうじょう
- factory; plant; mill
- この先 このさき
- beyond this point; ahead
- 安全 あんぜん
- safety; security
- 不安 ふあん
- anxiety; uneasiness; worry
- 自信 じしん
- self-confidence; confidence (in oneself)
- 運ぶ はこぶ
- to carry; to transport; to move
- 石 こく
- koku; traditional unit of volume, approx. 180.4 litres
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Episode 11 : The Sapphire Cradle
- 決まる きまる
- to be decided; to be settled; to be fixed
- さっき
- a short while ago; a moment ago; just now
- 次 つぎ
- next; following; subsequent
- 声 こえ
- voice
- 考える かんがえる
- to think (about, of); to think over; to ponder
- 違う ちがう
- to differ (from); to be different; to be distinct
- お願い おねがい
- request; favour (to ask); wish
- 前 まえ
- in front (of); before (e.g. a building)
- 誰 だれ
- who
- 聞く きく
- to hear
- すっごい
- terrible; dreadful
- 石 こく
- koku; traditional unit of volume, approx. 180.4 litres
- 安心 あんしん
- peace of mind; relief; (sense of) security
- きれい
- pretty; lovely; beautiful
- うれしい
- happy; glad; pleased
- 探す さがす
- to search for; to look for; to hunt for
- 見つける みつける
- to discover; to find (e.g. an error in a book); to come across
- 決まる きまる
- to be decided; to be settled; to be fixed
- 続ける つづける
- to continue; to keep up; to keep on
- ホント
- truth; reality; actuality
- 青い あおい
- blue; azure
- この辺 このへん
- this area; around here
- 横 よこ
- horizontal (as opposed to vertical); lying down
- 移動 いどう
- movement; transfer; migration
- 必死 ひっし
- frantic; frenetic; desperate
- いろんな
- various
- すっごい
- terrible; dreadful
- 安心 あんしん
- peace of mind; relief; (sense of) security
- こんなに
- so; like this; in this way
- 探す さがす
- to search for; to look for; to hunt for
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Episode 12 : Memories Come With Rocks and Noise
- 覚える おぼえる
- to memorize; to memorise; to commit to memory
- 全然 ぜんぜん
- (not) at all; (not) in the slightest
- 行う おこなう
- to perform; to do; to conduct oneself
- ホント
- truth; reality; actuality
- 大変 たいへん
- very; greatly; terribly
- きっと
- surely; undoubtedly; almost certainly
- ちょっと
- a little; a bit; slightly
- 見る みる
- to see; to look; to watch
- 私 わたし
- I; me
- 遠い とおい
- far; distant; far away
- つながる
- to be tied together; to be connected to; to be linked to
- 疲れる つかれる
- to get tired; to tire; to get fatigued
- 驚く おどろく
- to be surprised; to be astonished
- 当たる あたる
- to be hit; to strike
- 宜しい よろしい
- good; OK; all right
- だけど
- however
- 聞こえる きこえる
- to be heard; to be audible; to reach one's ears
- やっと
- at last; finally
- 面白い おもしろい
- interesting; fascinating; intriguing
- 箱 はこ
- box; case; chest
- 試す ためす
- to try (out); to have a try (at); to test
- 怪しい あやしい
- suspicious; dubious; questionable
- つながる
- to be tied together; to be connected to; to be linked to
- カイト
- kite
- うれしい
- happy; glad; pleased
- 聞こえる きこえる
- to be heard; to be audible; to reach one's ears
- 言葉 ことば
- language; dialect
- ホントに
- really; truly
- 変 へん
- strange; odd; peculiar
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Episode 13 : Look Up Examine Search and Next
- かわいい
- cute; adorable; charming
- 変 へん
- strange; odd; peculiar
- 楽しい たのしい
- enjoyable; fun; pleasant
- 確かに たしかに
- surely; certainly
- 見える みえる
- to be seen; to be visible; to be in sight
- もっと
- (some) more; even more; longer
- ごめん
- I'm sorry; my apologies; excuse me
- 作る つくる
- to make; to produce; to manufacture
- 同じ おなじ
- same; identical; equal
- 話 はなし
- talk; speech; chat
- すてき
- lovely; wonderful; nice
- 逆 ぎゃく
- reverse; opposite
- 研究 けんきゅう
- study; research; investigation
- 楽しみ たのしみ
- enjoyment; pleasure; amusement
- 状況 じょうきょう
- state of affairs; situation; conditions
- 続く つづく
- to continue; to last; to go on
- こんなに
- so; like this; in this way
- 終わり おわり
- end; ending; close
- とにかく
- anyway; anyhow; at any rate
- 楽しい たのしい
- enjoyable; fun; pleasant
- 理想 りそう
- ideal; ideals
- 温泉 おんせん
- hot spring
- 立場 たちば
- position; situation
- 目標 もくひょう
- goal; target; aim
- 悩む なやむ
- to be worried; to be troubled
- 白い しろい
- white
- すばらしい
- wonderful; splendid; magnificent
- 生活 せいかつ
- life; living
- すてき
- lovely; wonderful; nice
- 教授 きょうじゅ
- professor