The Immortal Genius Spearman - Chapter 4

After dying in an oddly anticlimactic vending machine accident, Kazuki Ren is reincarnated in the demon realm—not as a hero, not as a villain, but as the only human male student enrolled at the mysterious Academy of Ruin, a school where all the professors are demon lords and all the students are powerful, beautiful she-demons.Ren is told he has one task: survive.But there’s a catch. The Academy’s darkest secret is about to awaken, and Ren holds a hidden power that could either destroy the demon world... or rule it.Now surrounded by seductive demons with hidden motives, eldritch tomes, forbidden dungeons, and twisted exams, Ren must master his ability—or be consumed.Magic, mystery, danger, and temptation await in this dark academia harem fantasy.

A young Brave walked out of his village, gathered companions to his side, defeated the Great Demon King, became famous, then came back with beauties in hand! This was a legend that appears in the world of Seyrol every 200 years!

Our protagonist, however, isn’t a Brave. Even so, for over a thousand years his figure has loomed throughout its history.

Unwittingly, the name of the Red-robed Priest began to resound throughout the world. Red-robed Priest’s legend included extraordinary sword techniques and magic, erudite knowledge, and an almost prophetic ability to lead young Braves toward the proper path. People of the world think of him as a descendent of the ancient Yellow Race which led to his omnipotence. In essence, however, this was just the characteristics of the profession known as ‘Noble’.

- Description from Novelupdates

Shen Hua, the daughter of the Shen family that ran an embroidery business in Fengzhou, was pampered since she was a child. She had a pretty face and smooth, fair skin. Unfortunately, her body was weak, and she'd run out of breath after walking merely a few steps. She didn't have very long to live.The Shen family gradually faced its downfall, and her wedding was delayed again and again.Cui Yun, the eldest son of the Cui family, was a noble and stern man. He was entrusted to look after Shen Hua. Why not just marry her? He thought.Since Shen Hua reincarnated, she had focused all her attention on the embroidery business. She hoped to change her life and regain her former glory.When she heard about Cui Yun's decision to marry her, she fainted on the spot.After waking up, she turned him down with tears in her eyes. “I don't have very long to live. I don't want to waste your time.”Cui Yun was very considerate. “It's not a big deal. I know you feel touched, but there's no need to cry. Since you already depend on the Cui family, you might as well just become part of us. After you die from your sickness, I'll even hold a grand funeral for you.”Shen Hua felt hopeless. But I'm only pretending to be sick!***Cui Yun had many younger female cousins.Many of them had confessed their feelings for him, but he turned all of them down nonchalantly.“It's getting late. Please look after yourself.”Shen Hua had never met such a clueless man when it came to romance.One night, while she was on her way home, she took a shortcut and passed by the Cui family's courtyard. Cui Yun stopped her.He was standing near the entrance, and his sleeves danced to the wind.“It's cold outside. Would you like to come in and stay for a while?”

A dancer who was killed by a serial murderer found himself occupying the body and taking on the life of Brian Morse, a patient with anti-social personality disorder. As Brian, he has the look, he has the brain, he has the charisma, but he also has something that somehow always attracts psychopaths…[The story mentions 3 reality shows and crossovers with the American drama series Dexter. SLASH]

- Description from Novelupdates