Ihabu no Seikatsu

Ihabu is the boy who was born by artificial insemination as a child of two women. Elly of the part of father disappears, and it is a family of mother and child with Mary of the part of mother. Ihabu is rebuked by Mary that "you were born as a man is our greatest failure." One day, he cuts off his penis, and he looks for real father registered with a sperm bank and goes for an odyssey.