The beloved children’s how-to book series Gakko de wa Oshiete Kurenai Taisetsu na Koto, Important Things They Don’t Teach You in School, is getting its first anime adaptation, set to air this summer on TV Tokyo. Known for teaching life skills to kids through manga, the series has sold over 4 million copies and is celebrating its 10th anniversary.
Gakko de wa Oshiete Kurenai Taisetsu na Koto teaser trailer
Gakko de wa Oshiete Kurenai Taisetsu na Koto key visual:

The anime kicks off with a special “tidying up” arc, introducing young viewers to daily habits and essential life lessons in a relatable and entertaining way. The story follows a boy named Seita, his classmate Rika, and quirky characters like Kattan and Professor Seton, who guide them through their journey.
Confirmed Voice Cast:
Seita – Haruka Chisuga
Rika – Yumiri Hanamori
Seita’s Mother – Makoto Koichi
Kattan – Fukushi Ochiai
Professor Seton – Koki Osuzu




Production Staff:
Director: Kana Nakazawa (IMAGICA Infos)
Sound Director: Taeko Miura
Audio Engineer: Yoko Sakurai
Music: kidlit
Chief Producer: Kazuya Takahashi
Production Assistance: Usagiou
Aimed at families and elementary-age kids, the series promises a mix of humor, education, and heartfelt storytelling — bringing practical life advice to screens in a way schools often don’t.
Source: Comic Natalie
©Obunsha/“Gakko de ha oshietekurenai”project
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