Hiding her past as a former delinquent and living as an honor student, Torako Koshi encounters a mysterious girl with horns hanging from a telephone pole. This mysterious girl, Noko Shikanoko, becomes the source of turmoil that disrupts Torako's life.
Because I'm with you, Koshitan!
Mit dir macht es ja auch Spaß!
Es porque estoy contigo.
C’est parce que tu es avec moi.
É porque estou com você, Koshitan!