College student Chitose Karasuma is determined not to do boring things as she enters the adult world. To this end, this bad-mannered beauty barges into a facility that trains would-be voice actors and actresses, somehow landing a job at "Number One Produce," a seiyuu agency managed by her older brother, Gojou. In Chitose's mind, she's poised for greatness, but finds herself at a loss when she continues to only get minor roles.