Ruin Me [M]

Mu Yuze's breath caught in his throat. His heart seemed to have transformed into a small frenzied animal, trying to break free from the narrow space between his ribs. "Y–You have… entered your rut?" 

He Juan shook his head. "Not yet, but I— I am…" he squeezed his eyes shut and drew in a shuddering breath. His fists clenched and unclenched on Mu Yuze's sides, causing his biceps to flex seductively. 

This was the first time Mu Yuze had ever seen such obvious signs of struggle in He Juan. He fought so hard to restrain his instinct that his brows scrunched up in pain and sweat rolled down his cheeks, leaving a glistening trail behind.