Danzai no Exceed

Fujima Yamato becomes entangled in a series of murders one night and is nearly killed before being rescued by the transfer student Shinonome Shizuma, who uses magic. Yamato, who had been awake at home, offers to help Shizuma, who has arrived to stop the killings committed by a beast, but her offer is refused. Despite the rejection, Yamato persists and continues to follow Shizuma, refusing to give up.