He is Sano Manjirou, he and she are each other's ex-girlfriends. he had an affair and broke up with her. She told him she was pregnant but he didn't care, he refused to be a father and forced her to abort the baby. After two months of not seeing each other, today while making love with another girl, he suddenly heard the doorbell ring. He opened the door and saw a female police officer : "Ah, hello... why is it you?"