Kajiba Satoru

He married a student and had two daughters, but his frail wife had to spend a long time in the hospital after giving birth to a child, and he spent a long time teaching abroad in unsafe areas to raise money to pay for her care.

He returned to Japan upon receiving news of his wife's sudden deterioration, but was unable to take care of her in time. He loves his two daughters as a father.

But when he sees his younger daughter, Runo, chatting with a boy, and his older daughter, Isuzu, receive a marriage proposal he disregards the taboo and humiliates both girls in order to own them for himself.