Y/n just a normal man, until one day he die because been crashed with street light. When he wake up, he find himself as a teenager back. He then find a letter and it a letter from God. it write that he should not die yet. Because of that, the God give Y/n a power. A power that know as 7 Deadly Forbidden Magic. Like it name it can bring anything to an end. His magic is Death, Destruction, Devourer, Disease, Darkness, Disaster and Dimension. Will Y/n know who is he in this new world and how strong is he magic?