When he opened his eyes, he had a knife in hand and there was a female corpse lying next to him. He couldn't remember anything, who he was, why he was there, and why he had superpowers. In a panic, he could only try to avoid police pursuit and investigate the matter in private. But when he came face to face with the truth, he didn't know what he should do anymore...

(Source: QQ, translated)

Note: Series co-produced by Kenaz (South Korea) and Tencent (China). It was released a day earlier in Korea, so it will figure as a South Korean series in AniList.