The relationship between Yuko and Koji was strained, and whenever they met they would insult each other. On this day, they got into an argument, and Yuko insulted him, saying that he had little experience and was not popular, bringing up his sexual complexes. Yuko looked down at Koji, who had no words to say back. Seeing Koji's triumphant expression, Koji was trembling with rage and decided to take revenge. His method was to mount the fight through sex and dominate Yuko sexually...