Hitpoint

Hitpoint is a Manga/Manhwa/Manhua in (English/Raw) language, Action series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.com fastest updating comic site. The Summary is

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.