Need for speed 13.3 (Patreon)

"You can take off your bra now, my darling."

"B-but what about my... My..."

"Your breasts? Don't worry your pretty little head, Momoko-Chan. This dress has a built-in bra so 'your girls' will be safe."

"Breasts? But I don't..." 

"It's time to start calling things for what they are, Momoko-Chan. We still don't know what's wrong with your chest area, so until we can figure it out you have to accept the fact that you're developing breasts. But don't look so concerned. They are precious and will help you to look even prettier. You love looking pretty, don't you remember?"

"I... I guess I do, Sato-Sensei."