Huge n Round Senshi

Usagi, Rei, Makoto, and Minako all wait patiently at the Hikawa Shrine for Ami to arrive, which she finally does. Before they can wonder why Ami is late for a change, they see the blue-haired girl carrying a box that is from Chibiusa, currently back in the future. The girls open it up and see an assortment of swimsuits inside, all not that much different from what they wear today. With the included letter promising the girls will have a 'huge 'n round' time once they wear the suits, the girls try them on. After pressing a button embedded within the suits, the girls feel their swimsuits pumping energy into their bodies, causing them to grow to 100 feet tall. But then the second phase of the growth power kicks in, making the girls even bigger and much more thicc, especially in the weight department. Despite initial objections from Usagi, the five giantesses (who eventually find they're not alone) go casually walking around the city, anxious to see how everyone will react to their new sizes and figures...