Yui invites Hachiman and Komachi to the annual summer fireworks festival as thanks for taking care of her dog but Komachi backs out of the offer to give Hachiman and Yui a chance to go together. On the day of the festival, Hachiman and Yui try to compensate for the awkwardness of going out together for the first time by shopping around for some items for Komachi. The fireworks soon begin and the pair run into Haruno while looking for a place to watch the spectacle. Haruno uses the opportunity to explain a little of the complicated relationship between herself and Yukino and laments that Yukino has difficulty in forming meaningful relationships with people...