there's Two world in the Earth such as supernatural world and unsupernatural world. The supernatural people can tell between supernatural and unsupernatural pupil. There's a way to go to the supernatural world. It is they need to attack guardian at the portal. Beside attacking, they can go inside the portal if they got a letter from supernatural people. The portal was inside the kyoto sea. Once day, the queen of supernatural world missing and none of the people know her face untill now.

One day, Takuya, Suzuku and Hina were lying on their bed. Suddenly, a blue bird appear in front of them while giving a letter. "What is this? Should I open it" said them. 'Hello, ...(their name). I think you will startle about this letter. Okay, you need to go to kyoto sea and dive into the sea. After that you need to give this letter to the guardian. FROM MRS RABBIT.' They all go there without brong anything. they do all things that told in the letter. After that they arrive in front of a lake one by one. "Who are you?" ask them in the same sync.

"Who are you?" ask them in the sync. "Why don't we introduce ourselves? Okay. My name is Kazuma Takuya." said Takuya.

"Okay, My name is Agisawa Suzuku . Nice to meet you.". said Suzuku."Hi, My name is Shouyo Hina. Nice to meet you guys." said Hina. "Okay, now we know each other right. First you need to know where village at here and ask them where we are." said Takuya.

A little minute after their meeting, there's a sound of bush at the forest behind them. They go to the bush and see a woman which had a pair of rabbit's ear. "Who are you?" said Hina. "Whattt? How can you find me?" said the woman. "Did you think that we are a kindergarden child which can't find you. Wowww. Is this a real rabbit ears." ask Takuya. "Alright. Now, you found me out. So, I need to tell you about this world. First, my name is Utsumi Aoi, from forest village. Why don't we go to my village and meet with my friends. " said Aoi. They go to Aoi village as she told to.