Lotta is Jean’s younger sister and she is shrewd. She manages the condominium Celebrity Mansion.
Lotta has blond hair that's usually in a pontail with the same blue eyes as her brother, Jean. Her main outfit usually consists of a knee-length blue dress with gold buttons on the top. Underneath the dress is a white long-sleeved shirt with cuffs and a collar. She wears a red bow on the collar. Lotta's footwear is brown shoes with just below the knee-high socks.
Lotta learns that she is of royal blood from the kidnappers sent by Prince Schwan to assassinate her as she and Jean are the rightful heirs to the throne.