Mitsuba.Kou has his work cut out for him as the ghost, Mitsuba Soūsuke, is a girly, narcissistic and cocky young boy that loves nothing more than to insult him. Believing his regret to be taking a photo of a certain something, Mitsuba goes around school, choosing to take photos of scenery, flora and fauna rather than people. Kou's good friend Yokoō espies Mitsuba's camera in Kou's hand and reminds him of the time when they were first-year middle school students together in the same class, until Mitsuba died in an accident just last winter. Mitsuba reveals that due to bullying in elementary school he resorted to becoming a quiet, shy boy in middle school, but that backfired and made him a plain wallflower unable to make friends instead, to the point where nobody remembered him even after he called out to them at the shoe lockers...