A princess named Rosali is sent to live in her maid's friend's house to escape from a rebellion. She unfortunately dies.
Skip a few years;the rebellion is crushed, and the royals regain power in Lutztenstein. The princess is going to be crowned, so they pick her up. They do not know that the princess is dead, and mistakes her adopted sister to be Rosali.
Hilarity Ensues. Or no?
The comics can be found here (It's in Indonesian, through.)