With the end of a very long June and July, Sakuta is finally officially in a relationship with Mai. However, Mai is very busy with work and the two have not had the chance to see each other at all. Harboring some resentment, Sakuta works his part-time job when one day Mai, who just got off work, suddenly shows up. With Mai’s suggestion that she will make it up to him for her absence, Sakuta excitedly finishes his work shift.
On their way home, they witness Rio entering an internet café in downtown. Finding this suspicious, Sakuta follows her and discovers an unexpected truth from Rio…