A comment from Sayaka has Yuu inquire into the mystery of what happened seven years ago. Why are student council documents from that period missing?

Sports Day has finally arrived. Touko promises to behave on the condition Yuu gives her a kiss. Koyomi is struck by inspiration and Yuu confides in Maki.

As the study camp draws to a close, Touko is haunted by Ichigaya’s words, increasing her inner turmoil. Yuu tries to comfort her, while still working out her own feelings.