<p>Mashiro Youka is an ordinary, shy high school girl, except for the secret that she has memories of her previous life. And while she realizes that this world looks like a Yankee manga she read in a previous life, she lives a peaceful life as a mobster. Then one day, on her way home, she gets into a fight with some Yankees, and ends up being liked by the president of the strongest team, the Zoo...!</p>