My Friend's Little Sister Has It In for Me! (2025)

My Friend's Little Sister Has It In for Me! (友達の妹が俺にだけウザい)

Release Date:	2025-10-05
Runtime:	N/A min
Status:	Returning Series
Genres:	Animation, Comedy
Production:	BLADE, NK Animation, Asmik Ace, SB Creative, PIA Corporation, BS11, TV Asahi, TV Asahi Music, Square Enix

Overview

For high schooler Akiteru Oboshi, the whole youthful experience thing—like fun, friendships, and even having a girlfriend—is a complete waste of time. So when his best friend’s sister, Iroha Kohinata, keeps teasing him, Akiteru naturally finds it annoying. She practically lives in his room, she’s always on his bed, she’s just a raging storm of clinginess! Why is she only annoying around him?!

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Seasons & Episodes

Season 1

E1: My Friend's Little Sister Has It In for Me

E2: Episode 2

E3: Episode 3

E4: Episode 4

Cast

Haruki Ishiya

Akiteru Oboshi (voice)

Sayumi Suzushiro

Iroha Kohinata (voice)

Tomori Kusunoki

Mashiro Tsukinomori (voice)

Soma Saito

Ozuma Kohinata (voice)

Kana Hanazawa

Sumire Kageishi (voice)