Yu-Ri hasn't finished setting her marriage contract with Chan-Yeong, but Marrying My Sister's Husband Episode 4 has shown Chan-Yeong's actual cheating personality. That's when he uses Yu-Ri's away moment to seduce Ju-Hui Na, the maid whom Yu-Ri called earlier! What motivates Yu-Ri to ask for this cheater maid to bring their bedding?
