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

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?!

My Friend's Little Sister Has It In for Me! is a 2025 animation and comedy TV series starring Haruki Ishiya, Sayumi Suzushiro and Tomori Kusunoki. The series has 1 season and 12 episodes. Viewers rate it 7.3/10 on TMDB based on 28 votes.

  • First aired: 2025-10-04
  • Seasons: 1
  • Episodes: 12
  • Status: Ended
  • Genres: Animation, Comedy
  • TMDB rating: 7.3/10

My Friend's Little Sister Has It In for Me! cast

Haruki Ishiya, Sayumi Suzushiro, Tomori Kusunoki, Soma Saito, Kana Hanazawa

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