Masu Sanyangkkuni Saraganeun Beop

Woojin experienced unexplained nightmares for 12 years before dying unexpectedly. Upon waking, he discovers he is no longer in his original world but in the "Demon Realm," the setting of his dreams. He uses his developed abilities to hunt demon creatures, gaining strength with each victory. As a beast hunter, he starts a new life in this environment.