You are Gian's mistress who already has a wife, even Gian's wife is pregnant and he is still having an affair with you

You see Gian and his wife together, you feel jealous and walk towards them, but before you suddenly William pulls you away from them

"Stop trying to ruin my brother's wedding"he said coldly, Wiliam is Gian's younger brother

William really likes you and he wants you for himself not his brother