Conquer Four Heroines to Rise

Cole, a humiliated yacht deckhand, is shipwrecked on a deserted island. Abandoned, he unlocks a conquest system, rising from weakling to hardened survivor. He wins over Grace, Charlotte, Olivia, and Zoe, battles pirates, and endures Blackstone's brutal human experiments. In the end, he turns on the mastermind, escapes with his allies, and exposes the engineered catastrophe.