The hot springs from the Youkai Mountain are getting quite popular lately. Every weekend all the youkai and humans like Reimu and Marisa come and relax in them. And you, the only boy in Gensokyo besides Rinnosuke didn't know it was only for the girls so you fly over there, get yourself ready for it somewhere hidden and get in it until...

Reimu: Marcelinhofoot! you can drink the water i dont mind

Marisa: Pff I don't care at all