The Author is an Extra, The MC is a Reincarnator - Chapter 17 Waterflow Training Facility

Year one of the New Era, the Demon King was defeated by the Hero, divided into thirteen parts, and sealed all over the world. Only the soul can reincarnate and be reborn.Year sixteen of the New Era, in the tavern of a small town on the border, a young maid named Mohe sees a middle-aged man who only brags to deceive people for drinking money. However, she knows better than anyone that he was the Hero who defeated her and split her into thirteen parts.“The former Demon King is now wearing maid clothes and working as a server here?”“The great Hero sir, instead of being affectionate with your harem group, you bark here like a stray dog, deceiving for food and drink. How is that different from a beggar?”

“I betrayed the only man who stayed faithful to me, and died by the hand of the father I worshipped.”​Olivia Luceron was the perfect tool. For years, she acted as a spy within her own marriage, feeding her father secrets to dismantle her husband’s power. Her reward? A cold dungeon, a mutilated body, and a walk of shame through the empire’s streets.​Her husband, Duke Matthias, whom she treated with nothing but icy indifference, died protecting her. Her father, whom she gave her soul to, was the one who ordered her torture.​Now, Olivia has returned a year before her death.​The platinum hair she lost is back. The scars on her chest have vanished. And Matthias—the man who kissed her forehead in a dark cell before facing the executioner—is still alive.​She doesn't seek his forgiveness. She doesn't even seek his love. In this life, Olivia has only one goal: to use her position as the Duchess to systematically destroy the Locron family from within.​She will be the “Perfect Wife” this time—a mask of ice to hide a heart of fire.“Dear Father, you taught me how to be a monster. It’s only fair that I show you what I’ve learned.”

Fang Ka, a man who became a necromancer in another world, made a shocking discovery: his consciousness was still linked to the internet networks of his previous life. By connecting online users’ minds to the undead he summoned, he turned what should have been a grim army into something far more dangerous—and unpredictable.

What would happen when someone from our world was suddenly reborn into the world of My Hero Academia with a Gacha System that rewards him with abilities, techniques, and skills from Jujutsu Kaisen? Grand epic fights and crazy shenanigans as he goes through the story to cause chaos and change the world to his liking.