That contented hum, and then the determined suck along with those wandering fingers - that's enough for Alec.

He gasped Jace's name, bowing up toward him and gripping tight at his hair as he came, not holding him there, just holding on, keeping a connection to Jace.

It was overwhelming and still just that touch unreal, feeling that rush of oncoming pleasure and looking down to see Jace's mouth, Jace looking back at him. Alec was left afterward, panting and dazed, sagging back into the bed and just staring down at Jace with wide eyes.