Hi how are youI forgot the name of the manga or webtoon can't The story is about a being very powerful going through several rebirthsThe final rebirth is becoming a human with super powers as a child. after they killed his human mother he decided to kill all human beingsAnd later on he was hit by a car and lost his memory and was adopted by a young girl, she was the one drivingThe girl was working in a labWhere there was another test subject which was the same origin as the hero....So I can't the titleThanks in advance 293h27

Existence (Gwang Jin)

Thank you so much that's the one I'm looking for 🙂