Wanna be the Strongest in the World!

Sakura Hagiwara and Elena Miyazawa are the leading members of a popular idol group, Sweet Diva. One day, Elena is injured by the attack of a female pro-wrestler Rio Kazama during the recording of a TV program. Sakura gets mad at Rio and gives her a dropkick. To avenge Elena, Sakura enters the female pro-wrestling matches. Source MangaUpdates