Myst, Might, Mayhem
The Chaotic God of Extraordinary Strength / 괴력 난신 / 괴력 난신 / An Awesome Power / Deus do Caos Todo-Poderoso / El Dios Caótico de Fuerza Extraordinaria / El Dios caótico de la fuerza extraordinaria / Goeryeok Nansin / Monarca del Caos / Quái Lực Loạn Thần / ลับลางลวง / 怪力乱神 (僩㳞月夜) / 怪力乱神~血に染まった本性~ / 怪力 亂神

Jeong, known as the Slaughtering Scythe Demon, takes pleasure in killing and looks exactly like Mok Gyeongwoon, the third young master of Mok Sword Manor. The real Gyeongwoon offers Jeong a chance to leave prison if he takes his place and lives his life. Jeong accepts, kills the third young master, and begins a new life posing as the heir of the powerful Mok Sword Manor. Can the serial killer survive in his new identity?