It is a hard day when it's 2 hours past your milking session and the machine is still broken. The production is so great now and the resource so potent and vital to humanity's survival that the doctor's didn't want to risk losing any. And now shizuka is squirming feeling the immense pressure of all the milk sloshing around in her massive breasts. She can barely see over them now with how big they have become on top of being pushed up by her massive wobbling belly