Before you read: Character list
Haruka Urashima: Twenty seven years old runs the tea shop Keitaros aunt, hate when he calls her aunt.
Kaolla Su: A hyperactive thirteen year old girl who likes to invent strange inventions. She's also princess over the strange and unknown kingdom of Molmol.
Mitsune Konno: Often called "Kitsune" . She's twntyyears old and a non worker who likes alcoholic drinks and tease Keitaro.
Motoko Aoyama: An active fifteen year old who are heir to her parents kendo school the Shinmeiru. She's really good at kendo and always wears hakama (pant skirt). She hates Keitaro.
Mutsumi Otohime: A weak twenty year old girl who always gets bad luck, she often dies or faints for moments, very strong hands. Studies to today for same reason as Keitaro.
Naru Narusegawa: Seventeen year old girl who studies to Tokyo University. She has a hot temperament and often gives Keitaro a punch that makes him fly high up in the air (Naru-punch). Keitaro is in love with her but does she love him?
Sarah McDougal: Ten years old girl who likes throwing things at Keitaro and hang with Kaolla.
Noriyasu Seta: Sarah McDougals fake dad travels around in search for places to dig up fossils and more.
Shinobu Maehara: Thirteen year old in love with Keitaro very shy, likes cute stuff and is a really good cook.
Keitaro Urashima: (Twenty) Is landlord in the Hinata House because his grandmother gave it to him. He studies to the Tokyo university for his promise to a girl when he was five years old (he thinks it's Naru). In love with Naru, does always get in trouble with the girls.
Kanako Urashima: Keitaros sister in love with Keitaro (not Keitaros real sister), she's adopted. Hates sweets.
Before reading things you should know about:
The Hinata house: Used to be an inn, really big house with a hot spring.
Liddo-kun : A cartoon animal when Keitaro where young.
Tama: A hot spring turtle Keitaro got from Mutsumi when they first met her.