Nyotaika Yankee Gakuen ☆ Ore no Hajimete, Nerawaretemasu.

Delinquent student Torao is tired of losing to the school's top dog, Inuzuka Ryouhei. One day, before his latest challenge, Torao accidentally drinks something from a vending machine that turns him into a girl! Worse yet, Inuzuka has fallen completely head over heels for her! What will Torao, now Torako, do to change back and ward off Inuzuka's advances?