I Designed My Revenge, You'll Wear the Regret [English]

Jewelry designer Julia Holt hides her heiress identity while dating Jared Knox. When Julia, now pregnant, discovers his affair with his former crush, Hailey Moore, she breaks up with him, terminates her pregnancy, and marries Theo Mercer. Later, when Hailey enters a competition, Julia exposes her theft. Hailey pays the price for her dishonesty, and Jared regrets his choices. Julia, meanwhile, finds true love with Theo.