We're friends, right?

Hayato is invited by his classmate Iori to go to the pool with everyone after the exams. He is also asked to invite Haruki, but Haruki doesn't seem very keen on the idea. At the same time, Hayato, Haruki, Himeko, and Saki start communicating in a group chat hosted by Tsukino. Haruki feels uneasy about the heartwarming exchange between Hayato and Saki.