東方幻想乱舞 友情 裏切り 勝利/ Touhou Gensou Rambu: Yuujou, Uragiri, Shouri

A doujin game by CAPRICORN based on the Touhou Project series.

Busy people who gather at Hakurei Shrine without invitation. Today was unusually lively. In the midst of it all, one of them talked about how youkai are becoming more active. Reimu says she is enough on her own, but that is not the case. The girls' eyes light up as they find a way to pass the time. They decided to compete to see who could find out the cause.