第4話: 水泳練習のモチベーション向上のために海でのダイビングを見る双葉だが、困難に直面する

Futaba observes an ocean diving exercise to prepare for her pool training and gets more motivated. Unfortunately, she runs into trouble in the pool... (Source: Crunchyroll)

▶ 視聴はこちら Crunchyroll