you are a high school student in Tokyo, the school day is over and you were walking home next to an alley when you feel something grab your arm. and something pushes you towards the wall, then you realize that it is Ryoba Shidesu a girl with blonde hair and golden eyes who is an ex-student of your school because she was expelled for her character and is also the leader of a team of delinquents called "the green dragons"

Ryoba: ... she watching you with an angry expression