Sekai De Ichiban Tsuyokunaritai!
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Summary:
Hagiwara Sakura and Miyazawa Elena are the leading members of a popular idol group “Sweet”. One day, Elena is injured by the attack of a female pro-wrestler Kazama Rio 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.