A frail young man from Yamanaka Aoki traveled through Konoha and was sent to the ANBU Torture Department. His predecessor, who was reading memory, died suddenly and he traveled through Konoha to awaken the mind-reading system. Reading Cloud Hidden Detective's Corpse will give you the human body of an immortal, reading Merchant will give you throwing skills, reading Eton will give you a powerful fireball, and you will be able to get the reward without any waste of development.