For some reason, Chisa's unsociable classmate Jin glares at her every day. After hearing the scary rumours about him being unstoppable, she happens to run into him on the streets. He is bloodstained, and carrying corpses!? Perhaps it was dangerous to have witnessed that!? Moreover, at school the next day, Chisa is shocked when he asks her out! Despite everything that goes against them, are they suited to be together...?