Following the events of Twilight Syndrome: Search and Twilight Syndrome: Investigation, Mika Kishii (taking over the main protagonist role from Yukari Hasegawa in the previous games) is now a second-year student at Hinashiro High.
As a result of the previous games, Mika Kishii is now a second-year student at Hinashiro High, having previously played the main character in Twilight Syndrome: Search and Investigation.