MTL - Former Cannon Fodder’s Self-help Manual - Chapter 55 My ex said she didn't have a sister-in-law like me

Step inside if you dare, but be warned—this is no ordinary shop. Those who enter never leave the same… if they leave at all. A sinister force lurks within, fueled by a dark past and a thirst for revenge. The price? Twelve lives for twelve sins. As officials race to put an end to the bloodshed, the shop’s deadly grip tightens, claiming innocent victims one by one. Will anyone uncover the truth before it's too late? If you crave spine-tingling horror, heart-pounding thrills, and a mystery that refuses to stay buried, this book will haunt you long after the last page.

A teenager named Evan Mason was reincarnated into the magical world of Harry Potter and goes to school at Hogwarts!
With only his knowledge of the future and great talent for magic, he takes the path towards the top of the magic world, only to realize that ever step he took, changed everything!

- Description from Novelupdates

HE WAS SUPPOSED TO AWAKEN A POWER. INSTEAD, HE AWAKENED NOTHING.Louis Lee is the son of two legendary Earth Defenders, but when the superpower evaluation test reveals that he's powerless, his world crumbles. Mocked, abandoned, and broken, Louis becomes a target in a world where strength is everything.But fate has other plans.When a devastating alien invasion shatters the city, Louis is abducted by the same monsters that once killed his parents.Subjected to a brutal experiment, Louis is implanted with a living alien core, a weapon to annihilate humanity at once but instead the core grants him incredible powers making him, half human and half monster.But now, Louis is Earth's only hope of defeating the invaders, but the more he uses the core, the more it mutates him, transforming him into something far more scary.

On the day she, as the villainous sister-con supporting character, prepared to meet her death, she discovered her darkened brothers suddenly gained the ability to read her mind?!Qiao Chuchu stood on the high platform, wailing: “You’ll always be my brothers! I’ll die right in front of you, haunting your memories for all eternity!”But what the seven gorgeous brothers heard was: [Hahaha, goodbye suckers! With my billion-dollar assets, I’m going to be a rich lady! You can all stay in this world and suffer! After all, none of you will meet a good end!]Before she knew it, someone grabbed her arm. She looked up in confusion to find her brothers gripping her tightly: “Tell us more about how we won’t meet a good end.”Qiao Chuchu: “?”–Seeing the female lead, Qiao Chuchu thought: [So this is the woman my brothers fell in love with at first sight, the one they’d die for.]The seven men uniformly looked at the female lead: ? That’s it?Seeing the villainous second female lead, she felt sympathetic: [Although you and the male lead are in love now, he’ll emotionally cheat with the female lead who’ll become the third wheel, and you’ll end up committing su*cide.]The elegant young lady second lead: ??Seeing the powerful bosses, she sighed: [Although the big shots have class, unfortunately, you’ll all soon end up dead in the streets because of the female lead.]The powerful and wealthy bosses: ???Soon, Qiao Chuchu noticed her brothers had changed, becoming increasingly doting towards her.She also found herself surrounded by villain bosses who stuck to her daily, seemingly trying to win her favor.Not only that, why did the male and female leads end up bankrupt and dying miserably on the streets?!Qiao Chuchu turned around in confusion, only to see a group of bosses and her brothers looking at her with adoration: “Because we have you.”Qiao Chuchu: “Huh?”