Kazuya agrees to go a date with Ruka. Later, at their job, just as he is going asks her to be his girlfriend, he spots Mami and Chizuru. Mami attempts to pay Chizuru, but she refuses. Mami then reveals how long she has known about Chizuru's occupation. When Chizuru wonders why Mami is doing this, she simply ignores her. Meanwhile, Kazuya finds out that Mami knows the true nature of his and Chizuru's relationship. Feeling guilty, he fakes an illness so he can follow them.
When he finds them, Kazuya overhears Chizuru tells a skeptical Mami that he is her boyfriend. She then asks Mami if she has ever thought that he was truly the love of her life. However, Mami gives a vague answer. At night, Kazuya thanks Chizuru for speaking up for him. When she apologizes to him for not getting him a girlfriend, he confesses that he wants her. When questioned, he reluctantly says that he meant as a rental girlfriend. Inside her apartment, Chizuru becomes flustered. The next morning, everyone is out doing their own thing.