In 2019, in a cramped fitting room in Tokyo’s Shibuya district, 26-year-old Mia numbly put down the eighth ill-fitting bra. Due to her full breasts, she was subjected to unfamiliar gazes in daily life, and various inappropriate bras caused her great pain. That day, she resolved to change it. Not just for herself, but for the collective wish of countless full-busted women: "Comfort should be a right, not a luxury."