Kaoru Challenges Kyoshiro for Tsumugi’s Affection in Training Pact

Kaoru harbors a desire for Kyoshiro’s girlfriend, Tsumugi, and devises a plan to win her over. He proposes a contract to Kyoshiro where they will alternate in training Tsumugi to become a sex slave, documenting their efforts on a website. At the end of the designated period, the site’s visitors will cast their votes to decide which man deserves to be Tsumugi’s boyfriend, determining the outcome of their unconventional competition.