As the summer break continues, the protagonist navigates the increasingly demanding commands from his classmate Sukumi, who uses their shared secret to draw him into daily rendezvous. Her tsundere attitude adds layers of tension to their meetings, which grow bolder with each passing day. Eventually, their encounters take them to the school's pool area, where the heat of the season mirrors the rising intensity between them. This episode delves into the unfolding passion that defines their private summer adventure.