MTL - Little Mermaid Dressed As a Scientist - Chapter 21

Charles Manson was just another broke university dropout grinding night shifts at a city bar—until time froze, and a seductive voice whispered into his mind:> “System initialized: Lust Sync. Welcome, Master. Your desires will shape the world.”Suddenly, women around him begin to act strangely—flushed cheeks, lingering stares, unexplainable obsession. It wasn’t luck. It was the system.Lust Sync doesn’t just make women fall for him—it binds them, body and soul, through supernatural “Sync Levels” that unlock hidden power, twisted love, and lust-fueled abilities. The more intense the relationship, the stronger Charles becomes.From seductive professors to dangerous yanderes, spoiled heiresses to lonely MILFs—every woman he touches begins to change… and some don’t want to let him go.But Lust Sync comes with rules, quests, and consequences. The more women he Syncs with, the closer he gets to uncovering the dark truth behind the system—and why he was chosen.Can Charles handle a world where every woman wants him—and some would kill to keep him?> “Desire is power. Power is dangerous. And now, I have both.”

To be exact, the female lead is an “older sister” type, amid many beauties and handsome guys, she's no white lotus.Also, it's said that the name of this book is the same as a brand of sheep's milk powder.

She is the legendary queen of mercenaries whose name daunts even the big shots in society. With an ancient jade pendant in her hand, she is great at almost everything, be it seeking the truth or the art of healing.

It is eight or nine years for her to meet her first love again. In the gas station of highway, she sees him walking from the grocery store. She looks at him, not believing what she sees and asks, ‘Do you still remember me?’ He looks at her, with a bottle of mineral water in his hand, and says peacefully, ‘Yes, even if you became ashes.

- Description from Novelupdates