Yūto's class decides to do a cosplay café for the school festival, for which Yūto asks Haruka to go to Akihabara with him to see examples of cosplay costumes. Unknown to Yūto, Haruka had previously made a promise to her father to meet his client, however she decides to go with Yūto to Akihabara instead. Gentō becomes furious when he finds out and goes and finds them, but Akiho comes just in time to save them again. Haruka makes cookies and goes to give them to Yūto, but is shocked when she finds Yūto on top of Shiina at school.