It is Christmas break and Erika's classmates, Marin Tachibana and Aki Tezuka make a promise with her to share selfies of how they spent Christmas with their boyfriends. Erika tells Kyouya that they have to take a selfie as proof. Kyouya complies, however grudgingly so. Erika learns of Kyouya's dislike about Christmas and stresses out so much that she gets a stomachache. Kyouya takes her to the nearest restaurant before going to the pharmacy for stomach medication. When Kyouya "confesses" his feeling to her, Erika becomes ecstatic. However, Kyouya crushes those ...