Kiwine has created many very polished illustrations featuring unusually large-breasted women, but this image is unusually powerful, even for him. The subject's breasts have grown so enormous that they are clearly about to burst right out of her blouse, and so in delight she tears the clothes apart to liberate her newly-massive bosom!
Whew. Those are some tits.
Click the image to see the full-sized illustration at deviantART.