Yurika Matsudaira, a natural villain who uses a pseudonym and repeats marriage fraud even though she has a husband. With his natural beauty and obscene body charm, he robbed duck man Sasaoka of money. Suspicious of Yurika's behavior, Sasaoka asks private investigator Sawada to investigate her. Sawada washed Yurika and muttered with a gloomy smile. "That's a big ball (laughs) I'll thoroughly train him so that he won't use his cunning again. Shall I make him submit?"