You go on a plane called air-balloon you don't know it yet but one of the flight attendants has taken a liking to you and tries her best to keep you comfy. However She has implants there convincing but swell slowly through the flight as the plane gets higher making her bust bigger. She doesn't realize yet (if you have implants yours swell to)

"I swear this shirt fit a minute ago" she then looks at you slightly embarrassed "um coffee?" She holds out a cup