Alpha Young Master and Omega Brother-in-law

※ This book contains graphic depictions of coercive relationships, "jabber drip," and other stimulating content.※ Omega Park Yeonwoo loves his beta husband, Kang Soowon. He leads a happy married life with Kang Soowon, but he is saddened by the fact that he is neither understood nor helped whenever his heat cycle hits. ".....Our sister-in-law is in heat." He always dealt with it with suppressants, but when his heat cycle hits, his husband doesn't recognize it, But alpha Kang Soo-hyuk recognizes it at once. "If you're so worried, should we do it while checking if your husband wakes up?" He pours out pheromones and drives him while his husband is drunk and asleep. "Sister-in-law, I thin...