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100 Girlfriends Season 3 New Ending Finally Adds Yaku Yakuzen

『100カノ』新ED、ついにヤクさん加入に日本のファン反応

100 Girlfriends Season 3 New Ending Finally Adds Yaku Yakuzen

The 100 Girlfriends Who Really, Really, Really, Really, Really Love You Season 3 just dropped a new non-credit ending, and for the first time it includes Yaku Yakuzen — Kusuri's grandmother and Rentaro's newest official girlfriend, freshly voiced by Rie Kugimiya. Across 466 comments on the studio's own upload, the top one (490 likes) is a simple "I've been waiting for this."

From there the thread turned into a frame-by-frame hunt for everything the animators snuck in for her, plus a running audit of the ending's other jokes — a family that apparently lost its shot at buying out the ending slot, a glass of medicated milk turning visibly green, and a teacher who still can't quite say "hello" right.

By the end, more than one commenter was ready to call it the show's best ending yet — again.

This titleJapanese reactions to The 100 Girlfriends Who Really, Really, Really, Really, Really Love YouRead all 3 roundups on the title page
YouTube · バンダイナムコフィルムワークス チャンネル

Season 3 of The 100 Girlfriends Who Really, Really, Really, Really, Really Love You just released a new non-credit ending, and for the first time it includes Yaku Yakuzen — Kusuri's grandmother, a retired military medic who looks like an eight-year-old after an overdose of Kusuri's own immortality drug, and, as of a recent episode, Rentaro's newest official girlfriend. She'd already been kept as a secret girlfriend through her debut in the show proper, so this ending is the first place fans actually get to see her folded into the cast's regular routine. The video comes straight from the studio's own channel, and its comments are less about the song itself and more a full frame-by-frame hunt for everything the animators snuck in for her now that she's finally on screen.

Unbelievable... I've been waiting for this...

とんでもねぇ…待ってたんだ…

@りゅうきん-i9d490 likes

Comments got to the point fast, and the very first reply thread was basically fan-run continuity patrol.

Was Grandma Yaku in any of the earlier endings? I feel like I've rewatched this a bunch of times already.

今までのedにヤクばあちゃんいた? 何回もみたつもりだけど

@ネオン-z7y7 likes
She was a secret girlfriend, so she's only in it starting now! I bet she'll make it into the opening too starting next time!

​@ネオン-z7yシークレット彼女だったから今回から入りました!次からはオープニングにも入ると思います!

@リンリン-i1y21 likes

Fans who'd been through this before knew exactly what that meant for the ending itself — this show has a track record of treating its ending as a living cast list rather than a fixed one, and the comment section was quick to point that pattern out again.

Ever since season 2, this show's endings have had a habit of only feeling "finished" partway through the season, once the secret girlfriend gets added in.

2期以降シークレット彼女がいるおかげで中盤以降で完成しがちな100カノED

@ゴゴ午前454 likes
Apparently the tradeoff is the Hanazono family lost its shot at buying out the ending this time 😭

その代わり花園家のエンディングを買い取ることができなくなった模様😭

@むさし19645 likes
The fact that they actually waited for Yaku to officially join instead of leaving her out feels very on-brand for Rentaro.

ちゃんとヤクさん加入まで待って仲間はずれにしないとこに恋太郎味を感じる

@koyamamikan063089 likes

Once the reveal itself was out of the way, the thread turned into a full frame-by-frame Easter-egg hunt, timestamps and all.

Since Yaku wouldn't know English words like "finding" or "reaching," she's just left going "...huh?" only catching "Is it love? Is it affection?" — it's adorable.

ヤクさんからしたらfindingとreaching分かんないから『恋かい?愛かい?』しか分かんなくて?ってなってんの可愛い

@DNA-d5w380 likes
She fits in so naturally now that nobody even brings up the show's long-running "time doesn't pass here" joke anymore.

1:26 もはやサザエさんがどうとか誰も言わないくらい馴染んでいる🫰

@こだぬき_kodanuki146 likes
Kusuri's glass of milk turning green because there's medicine mixed into it is genuinely terrifying. What is she even drinking.

1:21 楠莉の牛乳、薬が入ってるせいで緑に変色していくの怖すぎる 何飲んでんだよ

@こだぬき_kodanuki93 likes

Some comments zoomed out from the character details to the ending's whole aesthetic and production trivia instead.

It's pretty rare for an ending sequence to have the girls get thrown into walls hard enough to break them.

0:42彼女達を壁に叩きつけて壁を破壊するedって珍しいよな

@田中翔悟-c2u192 likes
Personally I love that Miss Nadi says "HALLO" instead of "HELLO" — it's not wrong exactly, it's just... more of a German or Dutch thing.

ナディー先生がHELLOじゃなくてHALLOなのが個人的に好き 間違ってはないけどそれはどちらかというとドイツとかオランダなんだよな 1:06

@イモゾウ51 likes
A lot of the Rentaro family's cast are Pretty Cure voice actors, if anyone's counting.

恋太郎ファミリーの声優の多くはプリキュア声優なんだよな

@榎本滋-b7y47 likes
Been thinking this since the first time I saw it, but this show just keeps breaking its own record for best ending.

初めて見た時から思ってたけど最高傑作エンディング更新し続けてる

@ぷぬう10 likes

That's the pattern with this cast at this point — one more girlfriend gets folded in, one more rewatch turns up something new hiding in the corner of a frame, and somehow the bar for "best ending yet" keeps moving further up. Nobody in the comments seemed to mind waiting for it, and judging by how fast this thread filled up with rewatch discoveries, they'll be picking this one apart for a while yet before the next secret girlfriend shows up to reset the whole cycle again.

FAQ

Who is Yaku Yakuzen, and why does her appearing in this ending matter?
She's Kusuri's grandmother, a retired military medic who looks like an eight-year-old after taking a near-perfect dose of Kusuri's own immortality drug — and, as of a recent episode, Rentaro's newest girlfriend. Commenters describe her as a "secret girlfriend" who'd been kept out of the ending until now, which is why one asks (in a reply with 21 likes) whether she was ever in an earlier version at all.
What running joke did fans notice about the ending's cast?
A comment with 454 likes points out this show's endings tend to only feel "complete" partway through a season, once the latest secret girlfriend gets added — and another, with 5 likes, jokes that the tradeoff is the Hanazono family lost its usual claim on the ending slot.
What other small details did commenters dig up?
A comment with 93 likes flagged that Kusuri's glass of milk visibly turns green from the medicine mixed into it, one with 146 likes said Yaku now fits in so naturally that nobody brings up the show's long-running "time doesn't pass" joke about it anymore, and one with 51 likes caught teacher character Nadi saying "HALLO" instead of "HELLO."
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