Full steam ahead toward prom! The Soubu High School Prom is at a standstillnow that Yukino's mother is on the scene. Seeing how much Yukino and Irohawant to hold the event, Hachiman plans a separate prom of his own—amove that’ll inevitably lead to conflict with both girls, and willrequire asking for help from others. Yui has a question for Hachiman: Justwhat is he thinking....?