Alternative:
Phantom Sex King manhwa
Synopsis:
“Shall I help you escape being forever alone?” After leaving the Marine Corps, Lee Hyunho, who had never dated and only focused on working out intensely until 26, believed that he would rule the world, but nothing changed. He has resurrected as the King of Nightlife after meeting a female in the suite of an hotel he began working at, thanks to the introduction of a close friend!