Story
Based on the erotic game by TinkerBell. Kotone Takashina, Mami Yuzuki, and Yuuri Kanou are three high-school students members of the Mystery Club of their school looking for spooky events happening around. One day, after reading through Internet, a ruined place located in a forest near of their town, Kotone decided to check it and brought her friends with her. However, a sudden downpour took the three girls by surprise and instead of the excepted ruins, they discovered a European-styled mansion whose owners are a mysterious young man and his young twin sisters.
Synopsis via AniList (English).
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