A trip to the school pool during P.E. sets off a string of competitions between Aharen and Raido. Can the quiet giant finally score a victory against the tiny enigma?

Ishikawa invites Raido, Aharen, Oshiro, and Sato to go camping in the mountains. Spurred on by the beauty of their surroundings, Aharen decides to be honest about her feelings...

The Aharen siblings meet Futaba and the boys, and then Eru and Ren decide to show Reina their gratitude.

Ren's school project inspires a musical turn for Raido and Aharen.