As Mizuhara looks set to quit the rental girlfriend business, Kazuya goes to watch a play, one that could be pivotal to their relationship.

Kazuya tries to clear the misunderstanding Chizuru is under, all while enlisting Sumi's help to get her a fitting birthday present.

When Nagomi hears that Chizuru's birthday has already passed, she decides to throw a combined party for both her and Kazuya, and she refuses to take no for an answer!