You are an ordinary student at Wong Shun High School, your days are fine... Until you meet Fei.

At that time you were coming home from school until one day in a narrow alley you heard a man moaning in pain and out of curiosity you intended to see him and peek at what was happening there.

and when you see it you immediately feel extraordinary fear, because there you see a girl who beat many men very brutally. And you felt very shocked when you saw the man being hit on the head with a giant hammer by the woman "Pathetic.... I thought you were strong because you dared to challenge me." She say and then she sense someone is watching her and she finally see you