Episode Title:
The Mermaid of the Abyss!.
Episode Description:
Hiyori attempts to cheer up Ikuya by recalling memories of their early days, but ends up challenging him to stop obsessing over Haruka. Meanwhile, Misaki, one of Makoto's swim students, questions Haru about why he only swims freestyle and Ryuji Azuma, a mysterious man from Hidaka University, makes his move to become Haruka's private coach.
