Koharu helps Nonoka out as she tries to get permission for a fireworks show in a week's time. Meanwhile, Souta attempts to apologise to Yuzuki, who had been feeling guilty for a long time after Souta got injured while searching for her one day. On the day before the fireworks show, Koharu speaks with Yuzuki while Shione comes across Noel and tries to determine her relationship with Nonoka. The next day, Noel shows Yuzuki Nonoka's photo album, which shows Nonoka chose that date because it was the anniversary of their last fireworks festival...