Gusion

Оригінальне ім’я: グシオン

A winged monkey like demon who was one of Solonon's 72 demons. He is contracted with Kōtarō whom the later sacrificed the memories of his grandfather to form a contract with him. His special ability is called Forgetfullness. This ability allows him to eat the memories of others, especially fond memories. (source: Wikipedia)