Help! I'm Surrounded by Three Handsome Lords

Vivian is betrayed and exiled by her fiancé and sister. Left for dead, she activates a bizarre system—seduce men, gain power. Her targets: a beggar, a runaway, a cheapskate. Then she discovers they are—the lost prince, the war god, and the kingdom's richest man. With their powers—the crown, the army, and the gold—she's back for her throne!