Abuse.Julia reveals that she is now a slave to Ryuuou Edogawa. Shiori Adachi, a worker at a cosplay cafe, and Taiju Nakano, a frequent customer at the cafe, engage in a duel to see whose boyfriend spends the most money on them during their dates. Taiju takes an early lead, but Shiori catches up. However after going to the apartment of one of the boyfriends, Shiori gets drugged and Taiju comes to her rescue when he reveals that he is a man who had wanted to become her slave...