Touhou Rock Maiden 2: Houraisan Kaguya no Nazo

A Touhou Doujin game based on Rockman (Megaman), developed by Capricorn.

Plot

When I returned home from the agony, I found a customer."Oh, it's Youmu. Who the hell do you think you are?" "I'm sorry, Kaguya said he would pay for the repair of Hakugyokurou. "How could that neet seriously say such a thing?" "I'm sorry...." It seems that Youmu had been served her fill by Kaguya. According to what I've heard, Yuyuko has been caught with food this time. "Reimu, can't you let me take on Kaguya?" "No, you can't. It's my problem." In the end, the winner of the fight was the one who went to defeat Kaguya.