What's Wrong with the Female Lead Playing Around with the Male Lead? [Quick Transmigration, Gender-Bender]

The protagonist is the cornerstone that allows a small world to evolve into a proper plane. Once the protagonist becomes unworthy, the world's evolution will stagnate. To ensure that small worlds evolve normally, System No. 001 descends to maintain their proper development. Guide them? Win them over? Redeem them? No. She only needs the protagonist to submit, offer up everything, and bow down in allegiance. [Modern Era: The Arrogant, Ill-Tempered School Heartthrob] Complete The school heartthrob sits at the top of the pyramid at an elite school. His personality is awful and arrogant, but he's undeniably beautiful. When a poor student transfers in and gets on his bad side, he sees her as a thorn in his side. Who could have guessed that in the end, the poor student would have him wrapped around her finger, begging her to toy with him? [Sentinel-Guide: The Dark Sentinel Who Looks Down on Guides] Complete The strong sentinels have always looked down on the fragile guides. Even after their mental companions go without comfort and they fall into darkness, they remain just as contemptuous. Later, the dark sentinel kneeling at the feet of a fragile guide says, "Sentinels are nothing but guides' dogs." [Apocalypse: The Brooding Esper Caught Right After Being Reborn] Complete Caught right after being reborn and reduced to a test subject, the reborn man lies low and bides his time until he becomes the most powerful esper. But when he loses his value as a research subject and the doctor releases him, he can't help begging the doctor to keep studying him. Reader's Guide: * Gender-bender, no reversal. Purely illogical male suffering and dog training. Some worlds may feature male pregnancy. New story preview: The Angsty CEO Becomes Her Plaything (GB) #Angsty Romance, But the Man Gets Hurt##Can You Raise an Angsty Romance Hero into a Broken Puppy?##From Arrogant CEO to Begging Prisoner##A Record of the Angsty Romance Hero's Downfall# After learning what her future held, the heroine of an angsty romance packed her bags and fled that very night. Tang Fangmu, who died in a car accident, was brought in by the System to follow the plot. Tang Fangmu looked at the male lead, who was regarding her like a product under inspection. Her gaze swept over his impressive figure beneath his suit, and she smiled as she signed the contract. Within the term of the agreement, she would make this game more to her liking. Later, Duan Yunting, who in the original story had looked down on Tang Fangmu as shallow and greedy and sneered that she was easy to get into bed... Would curl up on the bed afterward, longing for the warmth she had left behind. Would seek out male escorts at a club to learn how to please someone. Would tremble as he presented her with an asset transfer agreement and a collar at the same time. "Now I'm the most useful tool at your disposal." - "I allow you to love me." "I'm not worthy of loving you. Crush my pride and let me prove I'm still useful through pain." Love is the noose you gave me, and I willingly offer my neck to the blade. Theme: Work hard and change your fate.