I Want to Just Beat Everyone Up While Acting

Sihan reunites with his twin brother, Siyoon, who was adopted into a wealthy family. To break off his brother's arranged marriage, Sihan pretends to be his brother and enters the conglomerate family that adopted him. But why? The more he acts, the stranger the alphas around him become. Sihan massaged his throbbing head with both hands. He was trying to eliminate one crazy alpha for his brother. But as time passed, the number of alphas only increased instead of decreasing. "You, you... what are these scars on your body! What happened during the months you were away...?" His impudent stepbrother, who used to speak informally, started crying or getting angry whenever he said something, "Ge...