Natsume Kiyoshi, a young boy who can see monsters from a young age. Since he inherited the contract book "Friend's Account" from his grandmother Lingzi, where he became the master and subordinate of the monster and wrote its name on it, he has started every day of returning his name to the monster together with the monster cat teacher who calls himself a bodyguard. Xiamu and various monsters
Natsume Kiyoshi, a young boy who can see monsters from a young age. Since he inherited the contract book "Friend's Account" from his grandmother Lingzi, where he became the master and subordinate of the monster and wrote its name on it, he has started every day of returning his name to the monster together with the monster cat teacher who calls himself a bodyguard. Xiamu and various monsters