MTL - Upgrade Beyond Rampage - Chapter 8 Frost Sword

Although Leng Ruoxue is born mentally challenged, she is the most beloved granddaughter of the number one general in the Eastern Lake Nation. She is despised by her fiancé and schemed against by her love rival. However, she is reborn as a powerful soul. This is a fantasy world, and also a world where the strong are respected. Cultivation, alchemy, weapon refinement, beast taming—the once foolish young miss has transformed into a stunning genius. Pill refinement and weapon refinement are all child's play. Heaven Grade medicinal pill? Even my pets won't turn an eye to it. Heavenly Treasure? I have the space to grow my own. Sacred artifact? Sorry, that's too low a level. I only know how to refine divine artifacts. Beast taming? My beasts deliver themselves to my doorstep.

Haruto Hayase was a normal high school boy in his third year, living a quiet life until his younger sister, Haruka Hayase, joined the same school. Haruka’s beauty and charm made her the center of attention, quickly becoming the school’s prima donna. But when a notorious gang leader set his sights on her, he did everything in his power to protect her—only to fail tragically. Haruka was brutally assaulted and tortured, and Haruto himself suffered an agonizing death. However, in a twist of fate, Haruto is given a second chance, waking up a year before the events that shattered his life. Armed with the mysterious ‘Debauchery System Slave’, he vows to exact revenge on those responsible. This time, he will use his newfound powers of the system and charm to seduce the loved ones of his enemies. From their mothers, sisters, and lovers to their closest friends, Haruto will make them his. His enemies will suffer as he steals what they hold dearest, ensuring their downfall in the most devastating way possible.

Calamity descends upon a a tranquil world in the black of night, transforming it into a death game! This a a true apocalypse, but this is not the end of humanity!

- Description from Novelupdates

After a one-night stand, she faked her death and transformed into his flash-married ugly wife, while he didn't know that she was the woman from that night.Is the ugly wife really so unfashionable and greedy for food and lust? It's all an act. She's only trying to hide her real identity.They survived in the cracks of various schemes. When her hidden identities were exposed, the man's eyes were filled with coldness: “You pretended to be ugly and dumb, are you kidding me?”She smiled faintly: “Didn't you get any joy and pleasure from it?”He frowned: “You deceived me for my looks!”She held her forehead: “I can only blame you for being so good-looking!”He looked as if he wanted to swallow her whole: “I'm not someone to mess with.”She responded calmly: “It's getting late. Time to wash up and go to bed!”