"One press to see what happens" Chris said somewhat curious to see what possible thing could happen from the button being pressed. Perhaps it was just a simple gag like a fart sound. With little hesitation he pressed the button which slammed down with a satisfying *Thunk* and as his hand went back up and the button rose back up Chris didn't see anything happening with the box.
"Chris?" Stephanie said a little unsure or panic in her voice
"What's wrong?" Chris asked as he turned his head and looked his date in the face. He saw that she was looking directly down which led his own eyes to drift downwards... and then a bit more downwards till he saw the actual table as now his Crush's breasts were now resting on a decent portion of her side of the table. At least for modesty it seemed like Steph's dress grew with her breasts. Chris blushed and then unsure where to look turned to the side where the black box was.
"Think that box did... this?!?" Steph asked
"Unless you had some weird delayed allergy to cotton candy... maybe? What could make a woman's boobs grow?"
The waiter came by with the food and Steph asked "Um sir, what's up with that box"
The waiter looked and asked "That isn't yours? First time I've seen something like that here. Now mam... could you um... make some room so I can put your meal down?" Steph blushed a bit and tried shifting herself so the waiter had access to the table to put her burger down.
Steph asked "Was it me or did he not notice their growth?"
"I mean... maybe he did and just didn't say anything because they're... you know what."
The two ate their meals relatively quickly with a question on their mind. "Should they press the button again?" it's possible that it could turn Steph back to normal, but then again they don't know how the thing even worked. All things considered while Steph would probably be planning some breast reduction surgery if she didn't return to normal Chris wasn't complaining currently.