Cow-gasm

Boruto began to tug more forcefully.

"MOO! MOO! MOOO! MOOOOOOOOOOOOO!" Tsunade yelped, as the stimulation on Shizune's end quickened as well.

"MOOOOOOOOOOO!" she let out one loud, final moo as Boruto gave a final hard tug on the nipple, causing an orgasm to ripple through Tsunade and fore her to collapse on the floor, her tits softening the blow.

"Shizune, stop," Boruto instructed, causing Shizune to cease her licking.

Tsunade was panting on the floor, her pussy and tits slick with milk, sweat, and love juices.