She entered the prestigious athletics school ● High School on a sports recommendation. She participated in the Inter-High School Championships in her second year at ● High School. When she entered as a first year at ● High School, her bust size was only A, but it grew rapidly from her third year at ● High School, and now it's F. What's more, she's still growing and getting bigger. Because of that, her times have dropped and she's worried... The sex of this serious, active athlete is just like that of an athletic club!