Norio and his girlfriend, Mari Tanabe, have been dating for three years. They lived a peaceful life until one summer day, where Norio comes home to experience a peculiar sensation.  The moment he sees the strong sun rays shining into his apartment, he realizes that Mari isn’t there. Instead, he finds an unfamiliar-looking woman who tells him that she is here to live with him. The eerie pale-skinned woman then introduces herself as Mari..

Mari and Mari

Junior high school student Yuki, a member of a travelling theater troupe, changes schools every month for performances. Because of this, he does not expect to meet people at any of his schools and does not try to make friends. However, when he attends a new school, his homeroom teacher asks him to deliver something to a classmate who hasn't been coming to school, but has excellent grades. By chance, he becomes friends with him, and Ken's ex-girlfriend Maya joins them, and as the three of them spend more and more time together, Yuki begins to wish that they could see him on stage as an actor.