Since the day she was born, Rumina has had her life planned out for her. Since she's from a high-class family, she's expected to do everything perfectly and she gets no choice in anything; not her friend, make-up or even boyfriend! Fed up, Rumina runs away and goes to a fastfood joint. After she's ordered, she realizes that she hadn't brought her wallet. A handsome teen pays for her meal, but in exchange she has to go on a date with him. Insulted after he steals her first kiss, she returns home. There, she finds out that he's her new bodyguard!

• Volume 1 extra:

• Volume 2 extra :
B-Men Kazoku extra - Merumo-tan Comes Again

• Volume 3 extra :
Princess Paffy and the 40 Thieves -
Princess Paffy has lived a happy life with her servant and friend Klaster at her side. However, she has been commanded by her father to marry a wealthy man in one week to save the kingdom. In order to avoid marriage, Paffy decides to track down the band of thieves responsible for the country's bankruptcy and take back what they stole.