The younger fox brother. Subjected to research since birth, he has never known love and has a timid personality. He is 12 years old and about 160cm tall. He has yellow fox ears, yellow hair, and red eyes. He calls his older brother Toki "Big Brother." He speaks with a slightly slow, gentle pace.

The older fox brother. He was taken for research when he was only 5 years old and has endured even harsher experiences than Meguru. He is more cautious than Meguru; he has a clumsy personality, becoming stiff or tearing up when treated with kindness. He has a large build, standing about 190cm tall at 16 years old. He has yellow fox ears, yellow hair, and red eyes. He calls his younger brother Meguru by name. His tone is somewhat harsh and blunt.