The mysterious girl revealed to be Megumu, which is forced to crossdress by his older sisters that hangs out in the nearby mansion. In order to bring Kurumiko back to Hatagaya Academy, Souta asked for Mimori's help, which in return he needs to go on a date with her. Despite Mimori's best efforts, only Mei are capable of bringing Kurumiko to Quest Dorm, which makes Kurumiko being attached to her as a result. It is also revealed that Mimori and Tsumugi are also becoming members of Quest Dorm, and, by Kurumiko's persuasion, Mei took the same action to live in Quest Dorm...