Touhou is made by ZUN while Seihou is made by Shunsatsu Sare Do, but how do they work? Are Touhou and Seihou eastern-based and western-based?
How do Touhou and Seihou work together as a game series?
สนใจ Doujin Eroges และ Touhou Project แฟนตัวยงของ Sumireko Usami