Take Down That Villain [Quick Transmigration]

[What do you do when a villain won't behave? Do (crossed out) Give him a beating and he'll learn.] Gu Nanxing is bound to a System for winning over villains. Every target is a ruthless, arrogant, overbearing villain who dares to challenge the heavens and the earth. And Gu Nanxing's role is always that of a little cannon-fodder character the villain wouldn't even deign to look at. Gu Nanxing: ...System, are you serious? System: Keep it up, Host! You can do it! Later, the villains are all trained into good behavior and let Gu Nanxing hold them down and kiss them. Gu Nanxing: "Weren't you so arrogant before? You had quite the temper. How come your mouth is so soft?" The villain, blushing: "I'm sorry. I was wrong..." World One: Poor, weak student x wealthy young master from a prestigious family World Two: Cautious, timid younger brother x stern, sinister older brother World Three: Frail, sickly chancellor x ruthless emperor World Four: Wage-slave subordinate x domineering CEO (More worlds to come...) [World Two has a split-soul love interest. He won't return the split-soul's feelings, but there will be some ambiguous interactions.] [Younger top, younger top, the younger one takes control.] [Bad top x bad bottom] [Content guide and warnings are in the author's note of Chapter One.] Theme: Strive to improve.