Is Boku no Kokoro no Yabai Yatsu: Twi-Yaba hentai?
English title: The Dangers in My Heart: Twi-Yaba
No
Rated PG-13 (Teens 13 or older) on MyAnimeList and not tagged as Hentai.

ONA · 2023 · 1 episodes · PG-13 - Teens 13 or older
Comedy, Romance, School, Shounen
Side stories of Boku no Kokoro no Yabai Yatsu, based on a series of shorts that were posted on X (formerly Twitter).
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