Collapse of Fairy Tales? What Did the System Do for Me?

[Western fantasy + demon hunting + new faction + dark fairy tale + system + no heroine + Sigma man] Roger was lucky enough to be transported through time, and the system took him the wrong way to the world of monster hunting. At the beginning, he was torn apart crazily by the enthusiastic Sleeping Beauty lady. The only way to escape was to die. Succubus: Will you be my love slave? Roger: In my hometown, New Tokyo University, there are no slaves! Succubus: Brother, do you want to tame the mount? Roger: No! Succubus: If you don't accept my sister who is so enchanting, charming and beautiful, then what do you want to conquer? Roger: If possible, let me go back. I want to use my ability to help my motherland regain a place first!