She started typing in tons of commands. She shot her breasts causing them to shrink to a f cup, but suddenly her chest starting lactating uncontrollably.Only you and your sister were home at the time so you couldn't call on anyone else.
As you watched your sister gush a stream of milk nonstop you grab the gun resetting all modifications. You hurry to shoot your sister. It takes a minute before the ray gun reverts her to her flat chested self.
Michelle who seems exhausted says, " you better get rid of that damn thing"
You walk away to leave her to clean her puddle of milk and so she can get a new shirt.