What if you grew up as an assassin? But you have to follow strict rules such us no relationship, in exchange for immortality. However, you got struck by a normal, yet beautiful girl. What would you do?
Ryu Akimoto, grew up as a hoarder who got struck by the beauty of a single woman, Yuna Arakaki. He hid his identity to her expecting that she might leave him once she knew his secret.
This story follows the Fantasy Keychain series and features about the 'Hoarders of the Dark' and how he started rebelling against them.