Wei Wuxian had promised to devour which mean his mouth had to be kept busy. At least like this he won't have to worry about being too loud. He looks up at Lan Wangji with amused but desire filled eyes as he lowers himself down to the man's length.

"I'll gladly start with this appetizer." He starts wit his tongue, running it up the entire length starting at the base. With one hand he grips one of Lan Wangji's thighs, which the other encircles his cock right where it meets his body. He breathes hotly over that tip, letting his tongue lap at it teasingly.