In the middle of a riverside park stands a single bench. One evening, a couple of childhood friends who hadn’t seen each other in a while meet up at this bench. Although awkward at times, they sit there exchanging gentle words of affection.

Utsumi and Seto's daily routine is to spend their afterschool hours just jabbering with one another along a riverbed. Getting excited over trivial word play, agonizing over the content of an email to be sent to a girl, and, at times, talking about a serious problem, the two endlessly engage in meaningless idle talk as if it were meaningful.