Kawai Haruto is a member of his school’s cinema club, working toward his dream of directing his own film. After the sudden death of Hina Yusuke, his best friend and a close rival, his enthusiasm for filmmaking begins to fade. One day he meets Sendo Mahiro, who invites him to collaborate on a movie. Mahiro confesses that she was present at the scene where Yusuke died and asserts that his death was caused by her. Meanwhile, Yusuke’s younger sister, Hina Asuka, blames Haruto for killing her brother.