Ep. 3: Hikari attempts to ease Futaba's worries about her new life while Futaba begins her diving club trial
Aired on July 22, 2016

Hikari makes an effort to reduce Futaba's anxiety regarding her new living situation, utilizing the methods she considers most effective for comfort. Meanwhile, Futaba faces the start of her probationary period within the Diving Club, which requires her to engage in specific study sessions as part of the initial requirements for membership and integration into the group activities.
Episodes
- Ep. 1 · Ooki Futaba struggles to adjust after moving while meeting a lively girl by the sea
- Ep. 2 · Hikari begins her school day while Futaba experiences an unusual heart sensation
- Ep. 3 · Hikari attempts to ease Futaba's worries about her new life while Futaba begins her diving club trial
- Ep. 4 · Futaba watches ocean diving to boost motivation for pool training but faces difficulties
- Ep. 5 · Hikari and Futaba encounter Diving Club seniors in an unexpected manner
- Ep. 6 · Futaba Discovers an Unexpected Truth During Open Water Diver Certification Training
- Ep. 7 · Seasonal shifts impact the Diving Club's atmosphere, particularly for Katori Mato, who finds joy with friends