My Ex Suddenly Reappears with Our "Son"

Synopsis

I burst out, "Who even are you? Sorry, but the line of guys chasing me stretched all the way to abroad. You won't stand a chance." Six years after the divorce, my ex, now the richest man in the world, showed up out of nowhere. He didn't come alone. There was a boy trailing behind him, looking at me with eager eyes. The boy said, "Mommy, Daddy said he knows he was wrong." I almost laughed. I pointed at my boyfriend, the younger, hotter guy beside me, and the kid a short distance away. "See them? My son's already older than you." My ex went pale, hands shaking. "Since when do we have a son?" I rolled my eyes. "Who do you think you are? My kid's father isn't some jerk who ditched his pregnant wife to chase his 'one true love.'"