2025年夏アニメ
おそ松さん（第4期）
Pierrot Films
ギャグコメディ日常
2025年7月8日～9月30日 放送
Based on Fujio Akatsuka's classic gag manga Osomatsu-kun, this fourth season follows the six grown-up but still hopelessly unemployed sextuplet brothers — Osomatsu, Karamatsu, Choromatsu, Ichimatsu, Jushimatsu, and Todomatsu. Marking both the franchise's 10th anniversary and Akatsuka's 90th birthday, Season 4 began airing July 8, 2025 across the TV Tokyo network — the brothers' fourth all-out rampage, made for longtime fans and newcomers alike.
📝 見どころ
👥 主要キャラ
💫 伏線・名セリフ
❓ FAQ
🌟 注目コメント
📝 魅力・見どころ・特徴 ネタバレ控えめ
01① Marking the franchise's 10th anniversary and Akatsuka's 90th birthday
Ten years after the series began in 2015, this season arrives as a milestone tribute honoring creator Fujio Akatsuka's 90th birthday.
02② The sextuplets' "fourth all-out rampage"
The lazy, no-good sextuplets shamelessly launch into their fourth round of chaotic misadventures.
03③ 13 episodes across the TV Tokyo network
The full 13-episode run aired from July 8 to September 30, 2025 across the TV Tokyo network's six affiliate stations.
04④ The star-studded sextuplet cast returns
The original main cast — Takahiro Sakurai, Yuichi Nakamura, Hiroshi Kamiya, Jun Fukuyama, Daisuke Ono, and Miyu Irino — all return.
05⑤ OP theme by DA PUMP
DA PUMP performs the opening theme "Osomatsu-san no Bomba Shay!" complete with an original dance.
06⑥ ED performed by Hitomi from Atarayo and the Matsuno brothers
The ending theme "Buddy" is sung by Hitomi from Atarayo together with the voice cast of the six brothers.
07⑦ As many surreal parodies as ever
The series' trademark surreal gags packed with topical references and subculture parodies are alive and well in Season 4.
08⑧ Childhood friends Iyami and Chibita cause chaos too
Beyond the sextuplets, childhood friends Iyami, Chibita, and Totoko keep stirring up trouble as always.
💡 注目ポイント・展開予想 軽めネタバレ
As a 10th-anniversary season, expect a mix of callbacks to past episodes and fresh parody material, all wrapped around the sextuplets' usual chaotic misadventures.
🧾 これまでのあらすじ ネタバレあり
The still-unemployed adult sextuplets stumble through romance, part-time jobs, and squabbles with friends in their gloriously pointless daily lives. Season 4 weaves in special episodes marking the franchise's 10th anniversary.
✅ 観る・注目するおすすめポイント
Recommended for longtime series fans, and for anyone who enjoys Fujio Akatsuka's signature brand of surreal comedy.
👀 トリビア・驚きの小ネタ集
This season commemorates the 90th anniversary of the original Osomatsu-kun manga's creator, and a limited "10th Anniversary Osomatsu-san Special 6 Days" theatrical event gave fans an early look at the previously unaired final episode.
Osomatsu (CV: Takahiro Sakurai)
The eldest of the sextuplets — the most reckless and irresponsible, obsessed with gambling and picking up girls.
Karamatsu (CV: Yuichi Nakamura)
The second brother — a self-proclaimed narcissist known for his thick eyebrows and dramatic poses.
Choromatsu (CV: Hiroshi Kamiya)
The third brother — the relatively sensible straight man of the group, though he hides a secret side.
Ichimatsu (CV: Jun Fukuyama)
The fourth brother — hunched, self-deprecating, and utterly devoted to cats.
Jushimatsu (CV: Daisuke Ono)
The fifth brother — perpetually cheerful with his mouth wide open, but occasionally shows a surprisingly sharp side.
Todomatsu (CV: Miyu Irino)
The youngest brother — a cutesy social climber who's secretly the most calculating of the six.
Totoko (CV: Aya Endo)
The sextuplets' childhood friend and de facto heroine — a fishmonger's daughter who all six brothers are smitten with.
Iyami (CV: Kenichi Suzumura)
The sextuplets' long-time nuisance — a self-proclaimed celebrity famous for his "Shee!" pose.
Chibita (CV: Miyuki Kokuritsu)
Another childhood friend of the sextuplets — a huge fan of oden stew, known for his distinctive tearful-eyed face.
Dekapan (CV: Yoji Ueda)
An underwear-clad inventor uncle who keeps dragging the sextuplets into his outlandish schemes.
💫 未回収の伏線 ネタバレあり
Episode 13, "The Matsunoten," originally held back from the initial broadcast, later aired on TV following a special theatrical event as part of the 10th-anniversary celebrations — a sign of more series-spanning surprises to come.
💌 次シーズンで絶対バズる名セリフ予想
"The most supremely pointless summer begins." — Season 4's tagline says everything you need to know about the brothers' attitude.
《おそ松さん（第4期）》的主题曲（OP/ED）有哪些？
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