I Have 108 Older Sisters - Chapter 15

Hyde arrives in a doomed world with nothing but his body and fragmented knowledge of the future from a game he once played. He has no grand ambition—why try to save a world already destined to fall? Survival is enough.That is, until he discovers his sister is also transported into that world.However, only he hears the Melody of Nightingale and receives the power to survive.[You have established a connection with The Forgotten Hollow.]Awakening as a Resonant—an elite group with supernatural abilities—he is thrust into a conflict between two worlds. Armed with the authority of space and time, he vows to protect his powerless sister at all cost, even if he has to fight against the Mirage creatures, other Resonants, or even Gods themselves.

In the foreign world, the martial artists dominate the world and the sword of the emperor controls the fate of hundreds of millions of lives! Long Yu, the number one killer on Earth, after dying, takes rebirth in this new world in an aristocratic family of martial artists but faces rejection because he is unable to practice martial arts.

- Description from Novelupdates

Jack Griffin was just another face in the bustling halls of the advertising firm, an ordinary employee with an unassuming title. But fate, it seemed, had other plans. His inherent charisma and undeniable presence caught the discerning eye of the company's striking female CEO. What began as an unexpected notice swiftly transformed into an extraordinary ascent. From that moment on, Jack's world expanded, ushering him into the exclusive echelons of high society and turning him into a figure not just admired, but sought after by the city's most captivating women.[AUTHORS NOTE][PLEASE THIS NOVEL HAS MANY SEXUAL CONTENT]

I possessed a reliant villain who was in debt and clinging to the heroines.“Why did I give all these good things to others?”From now on, I will solely focus on my own growth.After stopping these villainous acts,the heroines’ reactions were strange.