Rating
That Demonic Teacher Will Be My Sister? Average 5 / 5 out of 1
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N/A, it has 10 views
Alternative
Ano Oni Kyoushi ga Boku no Ane ni Narundesuka?; あの鬼教師が僕の姉になるんですか？; 那个魔鬼教师怎么变成我姐了
Summary
Read That Demonic Teacher Will Be My Sister? online free - That Demonic Teacher Will Be My Sister? is a funny story with latest chapters available in English. Genre: Comedy, Ecchi, Manga. Discover more manga like That Demonic Teacher Will Be My Sister? at EpicManga.Co - The Best Manga/Manhua/Manhwa in English Online For Free.
📅 Last Updated: January 11, 2026 (Updated Today!)
A brief description of the manga That Demonic Teacher Will Be My Sister?
A boy is initially overjoyed at the news of him having an older sister, due to his father remarrying to a woman who has a daughter. That is, until he finds out that his new sister is actually his school’s strict PE teacher, Shina. With his father going off to live with his new wife, the boy will live with alone with his new sister. In their new life together, the boy finds out that Shina at home is completely different from Shina at work: clumsy, scared of insects, and kind.
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