Bog Standard Isekai - Chapter 17Book 2.

“Even death can't stop me from reaching the top.”Alex clawed his way to the top through sheer hard work and ruthlessness, only to be betrayed by someone within his own group.Although he managed to kill the traitor, he lost his life in the process.But just when Alex thought it was the end, fate had other plans for him.Reincarnated into the world of a novel his girlfriend used to read, he was given a second chance at life.His goal remains the same, but this time, he awakened a mysterious system and surrounded by a harem of alluring beauties.Follow Alex journey through this vast new world as he uncovers the truth behind his reincarnation and the otherworldly goddess who made it all possible.

In novels with a stud there is always a Senior Martial Brother like this:

In the early stages of the novel, his innate talent is high, his cultivation is good, his appearance is handsome, and he has an intelligent, cute younger Martial Sister as a fiancée.

In the middle stages of the novel, he is caught unprepared and defeated by a young disciple (the protagonist) in the sect who’s hardly remarkable at all. From then on, he falls from his godly altar and loses his brilliance. Even his young Martial Sister leaves him for someone else.

In the late stages of the novel, he continues to turn dark, going down the Demonic Path and becoming the major villainous boss. However, the protagonist still ruthlessly defeats him and his soul is eternally sealed.

Once Qin Mo opened his eyes, he discovered that he had become this Senior Martial Brother.

- Description from Novelupdates

A 34-year-old NEET otaku, chased out from his house by his family, found that his life is reaching a dead end. He then recalled that his life could actually have been much better if he had made better choices in the past.

Just when he was at the point of regret, he saw a truck moving at fast speed, and three high schoolers in its path. Mustering all the strength he had, he tried to save them and ended getting run over by the truck, quickly ending his life.

The next time he opened his eyes, he is reincarnated to a world of sword and magic as Rudeus Greyrat. Born to a new world, a new life, Rudeus decided that, “This time, I’ll really live my life to the fullest with no regret!” Thus starts the journey of a man yearning to restart his life.

[sexual content and lemons warning]Warning: Sexual content, lemons, Comedy, MILFs, Genius Mc and his harem.Possessive MC, Large Harem, Capable Harem members, No Conscience towards men, Mc is a Chill guy until anything happens to his women.~×~×~×~×~×~×~×~×~×~×~×~×~Ethan Nocturne always thought he was just a regular guy in a world where everyone awakens superpowers at 18. But when his birthday comes, everything changes. His body feels stronger, his senses sharper, and women—especially the ones around him—start acting strangely, drawn to him in ways he doesn’t understand.Then, the truth hits him—he’s not human. He carries the Incubus Bloodline, the rare male counterpart to a succubus. And his adoptive family? They’re not just powerful superhumans. His stepmother, Lilith Nocturne, is the Succubus Queen, and his three stunning stepsisters are Succubus Princesses—rulers of an entire fantasy planet.But here’s the strangest part—they don’t know what he really is.As Ethan struggles to make sense of his new reality, he learns that the world’s superpowers aren’t as simple as people believe. Fantasy creatures—elves, vampires, dragonkin, and more—aren’t just myths. They’re real. And they’ve been living in secret among humans.Now, they’re appearing in his life, drawn to him for reasons he can’t explain. His bloodline, his awakening, and the system guiding him—it’s all connected to something much bigger.Why have these races stayed hidden for so long? What is the real truth behind superpowers? And why does he feel like his very existence is meant to change everything?With a system pushing him toward his incubus instincts, powerful women from all over the world—and beyond—falling into his orbit, and forces in the shadows watching his every move, Ethan has two choices—fight it or embrace it.But one thing is clear—his life will never be the same again.