Rondo [punyupuri] -school Hentai Animation [TINKLE BELL]

A rumor started in an all-girls high school that if a girl stays alone in the classroom after classes, she will be visited by a Demon. None of the girls believe it and act nonchalant about it until one girl gets obsessed by the Demon and the only way to lift the spell is to have sex with another girl.

Source: https://www.dlsite.com/maniax-touch/circle/profile/=/keyword_maker_name/RG01849/per_page/50/work_category/doujin/hd/1/options%5B0%5D/JPN/options%5B1%5D/NM/options%5B2%5D/ENG/maker_id/RG01849.html/?locale=en_US