Ren Nikaidou

Оригінальне ім’я: 二階堂連

Satou's rival. He gave Satou his nickname and seems to have spread it around on purpose. He is a wolf of note himself, despite not having a nickname. He has an obvious crush on Matsuba. He at first works together with Endo against Sen and Yō, but later attempt to reason with Endo.