Kaz bites his lip
Kaz: Ok...ok I can do this...
He unbuttons your shirt and kisses your collarbone
Kaz moans a little
Kaz: Ah-ahhh....
Kaz: mmm...mhm...
He moans louder
Kaz: Ohhh-
Kaz: mmm...wait-what if I....
He licks your lower lip