Escape the Infinite Chambers - Chapter 12: Ghost Ship (V)

What do you do when your brother dies because of some entitled assholes? You go undercover.My real name? Clare. But at school, I’m Clause—just another guy blending in. Disguised. Watching. Yes, a boy. No, it's not an all-boys school—I'm just deep undercover, hunting down the bastard responsible for my brother’s suicide. Nobody—and I mean nobody—messes with my precious brother and gets away with it. They better pray I never find them, because when I do? Death will be a mercy, and trust me—I don’t do mercy.And as for the egotistical Alpha and the narcissistic Vampire Prince? They can go fuck themselves. I don’t do mates, I don’t do claiming, and I sure as hell don’t do them.

One day, a silver-haired goddess appeared before him.“Heaven-Defying Star. The one who goes against fate. The sole savior of a world doomed to end—”What the hell is this woman even talking about?“You must be the Regressor.”“… What?”No, I’m not.

A novel revolving around being transported to another world with an op system. The mc spends his day chasing skirts and doing missions to level up. A standard journey to the top with lots of girls from various animes and games with a twist of that gaming feel (hunting mobs, doing missions).

- Description from novelupdates

He picked her up and took her home, but he couldn't watch her grow up. When they met again, he was a business tycoon who could call the wind and summon the rain. His possessiveness toward her became uncontrollable the moment he saw her again.He had never spoken words of love to her, yet he regarded every man around her as a rival in love.She kept her love for him a secret, but little did she know that he had always had ulterior motives, plotting for her to marry him. After a difficult marriage, the always gentlemanly and elegant man became like a wolf at night, entangling with her.