With the transfer of Akazawa Iroha, the relationship between Fujishiro and Kurokawa becomes strained. They confront each other's feelings and reconcile. As Aota Izumi joins them, the four spend more time together, and Fujishiro, confused by his inexplicable feelings for Kurokawa, confides in Izumi...!? Meanwhile, the four find themselves in the same group for the school trip!! The exciting 'school trip' beginsーー.