外川 拓海

His father died when he was very young, and he lives with his mother and older sister. Although he has been a bit of a troubled teenager, he has never refused to go to school and leads a normal high school life.

He has many male friends, but is not very interested in girls his own age. This is because Takumi has a proclivity that he cannot reveal to others: he has an irresistible attraction to mature women in bloomers, especially his mother's bloomers.