Dual male leads + ABO + Flirtation & Doting + Mild Angst Nan Yi is mute and, moreover, considered an inferior omega. As a result, he has always been virtually invisible within his family. On the 20th birthday of his high-quality omega twin brother, he replaced his brother to be by the side of He Yu Shen. Little did he know, he couldn't even last one night before that man discovered his pretense. Nan Yi was aware that He Yu Shen cherished feelings for his brother, Nan Zhi. He Yu Shen remarked, 'He's nothing but an inferior omega who took his brother's place out of greed for wealth and prestige. He's not worth our concern.' Humiliating words kept reaching Nan Yi's ears, yet he couldn't retort even a single word."