The supporting character's harem is very normal - Chapter 387 Blood King vs. Darkness King

Traveling through the world of movies, TV series, cartoons and novels, you can freely copy the blood, skills, knowledge, and even memories of others …

- Description from Uukanshu

Neo was on the verge of achieving his dreams, set to graduate with flying colors and secure a bright future. But fate had other plans.One moment, he was lounging in his apartment, enjoying his simple and ordinary day. The next, he found himself in a nightmare—a brutal game orchestrated by the hidden rulers of the world.But Neo wasn’t just another victim. When he was pushed to the brink of death, something awoke within him—an ability unlike any other. God-Tier Adaptive System .Every injury made him tougher. Every battle made him smarter. Every encounter shaped him into the perfect survivor.Now, he isn’t just fighting to escape. He’s evolving. And soon, those who once saw him as prey will learn to fear him.'To kill those sick monsters, I must become something far worse.'

Keita Sumeragi was a man of dreams—once a hopeful mangaka who poured his soul into heartfelt tales of romance, comedy, and friendship. But the world never smiled back. Readers ignored him. Publishers laughed. And when the only offer he got was to draw the one thing he hated—NTR (Netorare)—he refused.Until life left him no choice.His wife walked out. His daughter starved. And when his first NTR manuscript was complete, the publisher gave the job to someone else.Broken, guilty, and hollow, Keita leapt from the rooftop with a bitter smile—Only to awaken in the world of his own rejected NTR manga.In this twisted realm, he’s reborn as the main protagonist—handsome, popular, and surrounded by women with all-too-familiar faces. His sweet and kind “motherly” wife resembles the wife who left him. His seductive stepsister has the same eyes as his daughter once did.In this warped erotic hell, where anyone can be seduced—teachers, aunts, even grandmothers—Keita must face his deepest guilt, his darkest fantasies, and the genre he once despised.Because in this world, NTR is fate.And the story must go on.

Damien's life was ruined two decades ago by betrayal: his dearest friend Ethan and sister Serena betrayed him, leaving him impoverished and broken. Damien was consumed by vengeance and spent years rebuilding his kingdom, preparing to strike revenge.His plan is now being carried out: he sends his son Nate to seduce Ethan's daughter Evangeline, with the intention of breaking her heart and destroying her family. But as old secrets resurface, Nate discovers harsh facts about his father's betrayals, compelling him to doubt everything.Meanwhile, a shadow from Damien and Ethan's past, James, reappears with his own desire for vengeance, threatening to destroy both families in the concept of killing two birds with one stone.Betrayal by Love is a compelling story about love, vengeance, and the deadly consequences of justice.Who will ultimately triumph in this battle?