Booty Royale: Never Go Down Without a Fight!

Hagure Idol Jigokuhen (はぐれアイドル地獄変, Hagure Aidoru Jigoku-hen) is a Japanese manga series by Takatō Rui. It was adapted into a live-action film.

Plot
This is the story of Misora Haebaru, an 18 year old karate expert from Okinawa who went to Tokyo to enter the entertainment industry in hopes of supporting her family. She gets tricked into being a gravure idol who wears lewd clothing and is forced eventually to enter the AV world, but she wont go down without a fight.