12화: 미하루의 병원 이송을 앞두고 미시마가 첫 대회를 출전하기로 결심하다
2017년 9월 29일 방영
Miharu is scheduled to take time off school and transfer to another hospital for surgery. She feels both anxious about the upcoming procedure and sad to be moving away from her friends. Seeing Miharu in her emotional state, Mishima resolves to participate in his first meet as a regular on the swim team, but the event falls on the same day as Miharu's transfer. As Mishima heads to the meet, he leaves a certain object with Honda. (Source: Crunchyroll)