He growled softly at the muscles then gave his shoulder a bite. Instinct really. A wolf disciplining with a little bit of pain without actually hurting the one he loved. But right now he was taking care of Su-jin.

"Take care of me later. I already feel amazing. Just feel. You spend your whole life taking care of the world. Turn that off for awhile," he breathed against his throat in a husky growl, holding those hips still for a moment. No more trying to return favors. Right now this was all about Su-jin getting spoiled and adored.