Shinmura, pressured by his mistress Michiko, wanted to divorce his wife Toyoko. He immediately hired Tanaka and Saito, who specialize in breaking up marriages. The two men punctured Toyoko's car tire at a pachinko parlor, and Saito approached her while she was in distress. Toyoko was completely smitten with Saito, who introduced himself as a businessman. She proposed to him, and happily agreed to Shinmura's divorce request…

Saiko, a bisexual college student, was in love with Satomi, her father's mistress who had looked after her since childhood. Around this time, her parents began discussing divorce, and her father agreed to his wife's request, resulting in the divorce being finalized. Saiko was shocked, but secretly rejoiced at the prospect of living with Satomi. However, when Satomi and Koji showed no intention of marrying, Saiko grew increasingly frustrated…