23rd Oct: It's time for the second TV Tropes Halloween Avatar Contest, theme: cute monsters! Details and voting here.
The main character, Natori Nono, is a teenage girl living with her little brother and their mother in a small apartment. Then, Nono learns her mother has been secretly dating a man, a fact she only learns the day after the new marriage. To Natori Nono's (now Ichijou Nono's) surprise, her new stepfather (Ichijou Hayato) is a billionaire. With encouragement from her new stepbrother, Nono learns how to fit in high society.
This series contains examples of: