★ 7.5 TV Series
ONIMAI: I'm Now Your Sister!
Storyline
The story centers on Nayu, a middle school girl who shocks her schoolmates on the first day of school by wearing black lace panties. She likes this kind of underwear, and she tries to "spread the word on the merits of [these kinds of] underwear" via an underwear club with her schoolmates, who are worried about their bodies' development and which underwear to choose. (Source: Anime News Network)
Characters & Japanese Voice Cast
Nayu Hayama
Main
VA: Minori Chihara
Kiyono Amahara
Main
VA: Youko Hikasa
Yako Jinguuji
Main
VA: Minako Kotobuki
Haruka Shiraishi
Main
VA: Sayuri Yahagi
Hiroki Komachi
Main
VA: Yuudai Satou
Tamaki Mizuno
Supporting
VA: Sayaka Oohara
Sae Mishima
Supporting
VA: Yuuki Kodaira
Takatou
Supporting
VA: Yuu Asakawa
Natsumi Terauchi
Supporting
VA: Yoriko Nagata
Kaori Seto
Supporting
VA: Yura Hasegawa
Tsukamoto
Supporting
VA: Ako Mayama
Keigo Hayama
Supporting
VA: Takahiro SakuraiSimilar Anime
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ONIMAI: I'm Now Your Sister!
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Frequently Asked Questions
How many episodes does Chu-Bra!: Panty Appreciation Society have?
Chu-Bra!: Panty Appreciation Society has 12 episodes.
Which studio made Chu-Bra!: Panty Appreciation Society?
Chu-Bra!: Panty Appreciation Society is produced by ZEXCS.
Facts from AniList (also listed on MyAnimeList); streaming availability from JustWatch India. Last updated 17 October 2026, 4:15 AM IST. Episode times are Japan broadcast times shown in IST. Spotted a mistake? Write to [email protected].