Home Movies Miss Machiko, the Movie: A Busty and Undefeatable Delinquent Girl Miss Machiko, the Movie: A Busty and Undefeatable Delinquent Girl (実写版 まいっちんぐマチコ先生 無敵のおっぱい番長) 15 years old Miss Machiko, the Movie: A Busty and Undefeatable Delinquent Girl (15 years) Release day: Friday, July 17, 2009 Runtime: 70 minutes