The Mission In Kyoto

Humans are the most intriguing beings ever to exist, but in this world humans make pacts with spiritual beings to have power, even knowing the consequences. Masamune Takao is the protagonist, who is the reincarnation of the strongest Human in existence, Masamune Hiroki his ancestor, how will Takao and his friends fare in these great adventures, as well as a city,Who keeps a big secret in Kyoto?