Second-dimensional celebrities promote the flat chested sex doll to break through the barriers of the circle. The life size sex doll customized by the top UP master of Station B have increased the accuracy of character features to 0.1mm, and the server crashed three times on the day of pre-sale. This breakthrough effect has increased the penetration rate of the flat chested sex doll in non-traditional user groups by 192% year-on-year, of which 37% of buyers collect them as hand-made figures. Industry analysts pointed out that this cross-border is reshaping the industrial positioning of life size sex dolls.