Toki clan
It is not known if he is related to the Toki clan. Following the rise of power to Saito Yoshitatsu, Joki fled to the Owari Province. From there he the Kai Province. There Joki met Takeda Shingen and Shingen was very impressed by him. Shingen afterwards made Joki the head abbot of the Erin-ji in Kofu.