MTL - The Founder of Diabolism - Chapter 42 Grass 8th 10

The male student, Fukai Nagamasa, ignores his studies for college entrance exams in favor of following the path to chuunibyou. As he fainted during night cramming session before the exams, he realized that he was transported to a parallel world as a feudal lord in the Sengoku Era. Not to mention that suddenly, he was marrying the sixth Demon King, Oda Nobunaga’s little sister, the one who was purported to be an unrivaled beauty?

Good news: You've transmigrated! And you have a phenomenally powerful master!Bad news: When you were ten, your master ran off and left his wife behind, leaving you to prop up the crumbling sect all by yourself.Good news: An uninvited junior sister shows up, claiming to be the number one beauty in the world!Bad news: You were born blind.Good news: Suddenly, one day, you realize you have regained your sight!Bad news: Something is wrong with your junior sister… Something is wrong with your master's wife… Something is wrong with all of them!…You Su , who had always been a blind man, wakes up one day to see giant tentacles dripping with copper-green slime writhing restlessly all around him. He traces the tentacles back to their source—the entity wearing that snow-white, celestial dress is no holy fairy maiden, but a shifting grotesque mass of filthy flesh.…“You can see?”“Don't be afraid, Fairy. I'm blind.”

An orphaned boy with dreams of making it big through being a blacksmith is given a once in a lifetime chance to succeed when he's taken in by an odd pair - Eggor and Ella. While former teaches him the arts of craft, the latter teaches him the mysticism of cultivation, granting him two paths to tread in this life.

Living an unfulfilled life, Zack Gray meets an untimely end–that is, until he’s given a second chance, in a new world, under a new name: “Leon Schoeller.” Heir to the Schoeller Estate, a powerful and prestigious noble family, a life of luxury surrounded by maids and butlers of elite skills of their own awaits the reborn man.[Lord System Activated.]In addition to being blessed with a genius mind and magical talent, the [Lord System] grants Leon supernatural abilities, from empowering his servants, conquering beasts, and even manipulating his mansion.However, as gifted as he finds himself, the world around him is full of lurking threats, forcing him to level up if he expects to keep his cozy life intact.