Harem-eseo Saranamgi

Jun Yu, a WBA lightweight champion, gets dumped by his girlfriend, then gets hit by a car… and wakes up in a dating simulation game as Yu-Jun Russell, the adopted DAUGHTER of a noble family! The game tells Jun that he can be reincarnated, but only after playing to win over the love of his target characters. Determined to see his ex-girlfriend again, he eagerly accepts the challenge. Will Jun be successful in winning the hearts of his suitors, and manage to return to the world he came from?

(Source: WEBTOONS, edited)