The 100 Girlfriends Season 3 Episode 4: The Hand-Drawn Idol Concert — What Japan Said
100カノ3期4話、アイドル回への日本の反応「ありがとう」の一言に集約

On The 100 Girlfriends season 3's idol-concert episode, Japanese commenters filled 103 comments that read less like reviews and more like a thank-you card, led by the top comment (61 likes): “Thank you... that's the only thing I can even say...”
From there the thread turned into its own scavenger hunt — one commenter (58 likes) scored literally every category of the episode as a tie at the maximum, another (45 likes) cracked the internet-cat-meme choreography hidden in the dance break, and a separate comment (14 likes) marveled at just how many hand-drawn frames went into it.
By the end, the only real pushback anywhere in the thread is over a single frame of a phone case.
The idol arc finally hit the screen in Episode 4 of The 100 Girlfriends Who Really, Really, Really, Really, Really Love You season 3, and the 103-comment reaction thread under a Japanese fan-compilation channel's upload reads less like a review section and more like a thank-you card. The top comment sets the tone at 61 likes, and it's just five words long, repeated for emphasis.
“Thank you... that's the only thing I can even say...”
ありがとう…それしか言う言葉が見つからない…
That's basically where the whole thread lives: pure, uncomplicated gratitude, dressed up in increasingly elaborate bits as commenters try to outdo each other's praise. One commenter went furthest, turning the entire episode into a mock scorecard that ran through every single production category one by one.
“Lyrics → 99,999,999 points Composition → 99,999,999 points Vocals → 99,999,999 points Animation → 99,999,999 points Choreography → 99,999,999 points Costumes → 99,999,999 points Movement personality → 99,999,999 points Source-material understanding → 99,999,999 points Anime-original additions → 99,999,999 points Structure → 99,999,999 points Seriousness → 99,999,999 points Madness → 99,999,999 points (Due to system limits, anything above 99,999,999 points counts as a tie.)”
歌詞→9999万9999点 作曲→9999万9999点 歌声→9999万9999点 作画→9999万9999点 振り付け→9999万9999点 衣装→9999万9999点 動きの個性→9999万9999点 原作理解度→9999万9999点 アニオリ→9999万9999点 構成→9999万9999点 本気→9999万9999点 狂気→9999万9999点 (システムの都合上9999万9999点以上は同点扱いとなります)
Even the smaller reactions kept escalating from there before the thread finally circled back to something more specific and, honestly, more relatable: the sheer number of outfits the cast is somehow juggling.
“Been thinking this since the manga — why does every single girlfriend get a completely different outfit... and why do they all somehow pull it off perfectly... Thank you, Yano-san, seriously, lol.”
原作の時から思ってたけど何で彼女一人一人衣装違うんだよ… 何でそれで全員似合ってんだよ… 矢野さんありがとうございますですわ本当笑
Then came the part every rewatcher was clearly waiting to dig into — the dance break's background gags, tucked in behind the main choreography. Commenters started cross-referencing it against a very online source, one most anime fans would never think to check.
“Source material for that dance: Shizuka → “Happy Happy Happy Cat” Kusuri → “Breakdancing Cat” Chiyo → “Toothless Dancing””
お遊戯クオリティの元ネタ 静→happy happy happy cat 楠莉→breakdancing cat 知与→Toothless Dancing
Someone else zoomed out to the production side of things entirely, connecting the dance's hand-drawn ambition to the studio's chief animation director and floating a theory about who might handle a certain scene once a new girlfriend eventually joins the main cast.
“Makes me think that when Momiji joins the cast, “that scene” might end up handled by chief animation director Yano instead of series creator Nozawa herself. Even setting the voice cameo aside, the sheer number of hand-drawn frames in that dance is the kind of thing you can bring up in conversation for years.”
紅葉加入回で例のシーンが野澤先生じゃなくて矢野総作画監督になる可能性が俄然出てきたかな 声出し出演以外にも(全部1人の作業ではないにしろ)約1万5千枚の手書きの量は話の中でもネタに出来る
That kind of investment fed straight into speculation about the show's future. One prediction about a two-cour season took off fast, and a reply immediately ran with the implications for which girlfriends might finally get their due.
There was also a genuine surprise cameo buried in the crowd shots for viewers to hunt down, and it got its own small, dedicated celebration in the replies.
“So happy Ahko was in there.”
あー子がいるの嬉しかった
If the thread has anything resembling friction, it's tiny, and it's about a phone case. One commenter allowed for exactly one flaw in an otherwise perfect episode, and someone else immediately showed up with the receipts, pulled straight from the manga's back catalog.
“Okay, Kurumi's phone case did look a little off, I'll give you that — but ‘perfect’ is still honestly the right word for this episode.”
たしかに胡桃のスマホケースはちょっと違和感あったけど、それ以外は完璧って言葉がぴったりの回だったわ
The thread's very last word wasn't really about animation quality at all — it was a bit of season gossip: however hand-drawn and over-the-top this concert got, the show still beat a much heavier, band-drama rival airing the same season to the punch on actually holding one.
“Also worth noting: this beat a certain messy band-relationship anime airing the same season to the punch on holding its concert first.”
なお、100カノ3期と同時期に放送中の某人間関係ドロドロバンドアニメよりも先にライブを行った模様。
And with that, 103 comments of pure gratitude closed out on a note that was somehow both petty and completely earned.
FAQ
- How did Japanese fans react to Episode 4 of The 100 Girlfriends season 3?
- Overwhelmingly positive. The top comment (61 likes) on a 103-comment reaction thread simply reads “Thank you... that's the only thing I can even say...”, and the rest of the thread piles on praise for the hand-drawn idol-concert dance sequence.
- What's the cat-meme joke in the idol dance scene?
- A commenter (45 likes) identified the choreography as referencing three separate viral cat/animal memes, matched to three different girlfriends performing them in the background of the dance break.
- Was there any criticism of the episode?
- Barely. The one nitpick in the thread (5 likes) is that a character's phone case looked slightly different from its manga design, and another comment (2 likes) pinned the discrepancy to a specific manga chapter.
100 Girlfriends Season 3 Episode 3: Nadi's Reference-Packed Parody Debut
“Guess I have ‘cram-school Nadi’ to thank — I understood way more of her lines than I expected.”
Read this roundupThis is one of 3 Japanese-reaction roundups for The 100 Girlfriends Who Really, Really, Really, Really, Really Love You. See them all →
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