Hitpoint

Synopsis

Ha on-Bith, a boy who suffered from heart pain after a car accident, dreams of dying by unidentified assailants who came one day. The relief that it was a dream is only for a moment, as On-bith runs away from the assailants in the exact same situation as his dream, he comes to a realization. A deadly weapon that can destroy everything is inside his heart. (Source: Mangadex)