Sixshot arches into the sting of teeth against his neck cabling, a sharp gasp hissing past his lips. He hooks Tarn's knees over his elbows, freeing his hands up and they roam over his partner's frame, gliding over seams and welding scars.

One slips down between their bodies, black fingers wrapping around Tarn's spike. He begins to pump it in time with each roll of his hips, faster and faster as he picks up his pace, squeezing the base of the length every time he works the knot back into the other mech's clenching body.