Magnum Lily

Magnum Lily (マグナムリリィ) is a manga series written and illustrated by Kube Toshihisa. It is serialized in Magazine Pocket.

Plot
A 15-year-old high school girl named Yuri meets a 19-year-old female boxer named Windy at a funfair, and she way to a women's boxing match and she saw a 23-year-old female boxer named Azusa and she see Windy as Azusa's boxing opponent on the boxing ring at round 4 Windy knock Azusa out in that fight on the boxing ring when she wants to become a boxer in order to fight Windy in the women's boxing match and she end up going to a boxing gym.