Jitsu wa Ore, Saikyou deshita? ~ Tensei Chokugo wa Donzoko Sutāto, Demo Ban'nō Mahō de Gyakuten Jinsei o Jōshō-chū! - Chapter 94: Odd Queen

Yang Feng somehow transmigrated into a different world and received a legacy of an ‘ancient high tech’ family, which does not directly raise his power, but gives him the technology to build things which are way more advanced than the seemingly medieval world.

I exist in the darkness, disappear under the bright light, and will eventually devour the sun and turn into the shadow of all things… Known by people as the indescribable terror of darkness; the king of shadows; the dark day; the existence of the shadow of the world , is still just a somewhat special high school student, facing a weird death game…

- Description from novelbuddy

A former sporting rifle shooter genius transforms into the ‘Juvenile Butcher’. While originally supposed to have received the death penalty, he was instead fortunate enough to have entered a secret and highly regarded armed force, throwing himself into the ‘Nirvana Project’.

After a period of 10 years, he now has time to freely recover. Having trained until he had excellent military and martial skill, he sweeps through various military districts and returns back to his hometown. Under the monitoring of a beautiful female cop, he re-establishes his family’s bodyguard service, protecting beauties and moving unhindered, his achievements causing the fame of his outstanding, god-level bodyguard service to resound across the world!

- Description from Novelupdates

Rated +18Ethan (unlike many unlucky protagonists) was doing pretty well, he had just graduated from high school, he isn't a straight A student but he isn't so bad either.He was very popular in his high school days, with short black curly hair, average height and build, and a face any girl would die for, Ethan navigated through high school like a breeze.But before he could leave for college he was diagnosed with a strange illness and was told he had only six months to live.The news was devastating to Ethan but it was true, four months had gone in the blink of an eye and Ethan had only two left, he started trying things he hadn't done before.After getting a recommendation from a friend he bought a virtual reality game called Harem Online.Before he could play the game it glitched and was isekaied into a fantasy world where magic and women reigned supreme.Follow Ethan on his adventure as he navigates through a world dominated by women with his lust system.The early chapters might be a little clumsy but it gets really good, oh and lots of lemon, I mean like a lot of lemons.Additional Tags: Adventure - Action - R18 - Isekai - System - Harem - Weak to Strong - Handsome ML - Beautiful FLs - Smut - Elves - Vampires - Demons - Monster Girls.