Maria is a merchant who runs a traveling caravan shop along with her friend, Lisa.
Maria and Lisa have been friends since childhood. Maria is a bit short and chubby, but she is smart and quick. She's a jack of all trades. When Lisa makes a mistake in the books, Maria will secretly correct it for her.
Sometimes she has to go on an extra adventure to save their investor. Prince Beach, from a mischievous turtle queen. It's tiresom, but with Lisa's help, Maria can overcome any challenge.