MTL - Manga Guidebook - Chapter 121 "Firefly Forest" animation (below)

war, blood, and betrayal carved him into something else. A legend. A killer. A mercenary whose name struck fear into both criminals and so-called heroes alike.But now, the world had changed. Lines blurred between right and wrong, between justice and vengeance. Should he step into the light, wear the mask of a hero, and fight for a cause greater than himself? Or should he embrace the darkness that had always been his home, a place where morality was just another illusion?“Don’t box me in with your shallow ideas of good and evil,” he muttered, his voice calm but edged with danger. “I do what I want, when I want.”The air was thick with tension as he moved like a shadow through the dimly lit room. The writer had no time to react—one moment, he was scribbling nonsense about legends and myths; the next, a cold barrel pressed against the back of his head.The figure smirked beneath his mask, eyes gleaming with something between amusement and menace.“You wanna write fiction?” he whispered. “Then let me show you how real legends are made.”A single gunshot shattered the silence.As the writer’s body slumped over the desk, the man holstered his weapon, stepping into the faint glow of a flickering neon light.“It’s that simple,” he said, his voice unwavering. “I’m Deathstroke.”

When others transmigrate, they are responsible for having babies with the male protagonist, and have a happily ever after. She is also a female protagonist when she transmigrates into various novels, but the female protagonist after the happy ending, when love between the couple is weathering, when the male protagonist is tired of the female protagonist, when he is cheating with a mistress, etc., and many other chicken feathers.

[Host, the task assigned to you by the system is, ‘After happy ending, the female protagonist’s bleak divorce life!’]

“Go away, s*upid system! I want to transmigrate to before ‘Happy ending’!”

One sentence introduction: Today is another day of happily divorcing.

Chicken feathers: small annoyances

- Description from Novelupdates

I was the awakened on the path to become the strongest, but instead, I became the final boss of an Eroge.Pushed into the body of Eugene Hall who was but a petty villain that somehow spelled the end of the World, I had to live again in a world of demons and gods.Moreover, the main characters were all regressors who wanted me dead.Now I was stuck as a villain with heroes and villains, demons and gods all coming after my life. And even beyond them were the oncoming outer gods that wanted the world gone.And honestly? I didn't care.My path was the path to the strongest! Nothing else could come in my way!!

"Stay with me and I will give you everything your heart desires. For you, my darling, I would part the mountains, split the sea, and cause havoc on Earth just to have you."