Konpaku Youmu's predecessor and mentor. It is often assumed that he is also Youmu's father, or possibly her grandfather. He is only mentioned in Youmu's description in Perfect Cherry Blossom and as such has no official appearance. He disappeared to become a hermit. Fans usually depict him as an older man with a white beard wearing traditional Japanese clothes of the same colors as Youmu's.
- Touhou Wiki: http://en.touhouwiki.net/wiki/Youki_Konpaku