The story is about Aida Nonoka who is rescued from a drunken attacker by a judoist. She then resolves to become as good as her savior, hoping that one day to recognize him by the scar on his back. She then transferred into a new high school where she meets two older boys who could possibly the person to whom she owes her life and to give her heart. 
(Source: AniDB)

Once upon a time, there was a little girl. One day she played a trick on a drunk and made him angry. The drunk was going to hurt her, until a boy appeared and saved her. It's been eleven years since that incident, but Nonoka is still looking for the "prince" who saved her. 
This manga's got a love triangle and lots of judo! 
Source: HMR

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