MTL - Rebirth and the Deadly Enemy HE - Chapter 198 See also black material

What would you do if you were transported to an academy where becoming immortal was possible? Where magic spells and swordsmanship were your courses and fighting zombies and wars were your exams? Dawn Academy was no ordinary learning institution and Xiao Lin was about to find out how mysterious and exciting this magical academy really was.

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.

Traveling through the world of movies, TV series, cartoons and novels, you can freely copy the blood, skills, knowledge, and even memories of others …

- Description from Uukanshu

A surgeon accidentally got the blessings of a system, shocked the medical industry, and rejuvenated countless people.

- Description from Novelupdates