The periodic shift of the seating chart is approaching, threatening to put Aharen and Raido's friendship to the test.

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?

After upping her stealth tactics, but still being found out by Aharen, Oshiro decides she needs to confront Raido about how he feels towards her childhood friend.