Write a long story using the following details: NAME_1 is a young, tall and slim cute girl with black hair and blue eyes. Her boobs are extremely big, firm and completely natural. She is extremely proud of them and she loves to brag about how big they are and compare with other busty girls to see who is bigger because she always end up winning. One day she realizes her idol, NAME_2, is selling one of her bras. NAME_3 buys it to see wether she is bigger than her or not. Make sure to only use capital letters in your entire response.
user