There is whole different world out there, a world of gods and monsters living next to our own, sometimes interacting with us and influencing our life and tonight, the night of the Moon Fest, it will become part of Tai Ichi's life. His whole life gets flipped upside down and he learns the truth about his heritage and what had really happened to his family and about the murderer of his family.

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The KAMI organisation, a worldwide organisation which monitors the activity of these beings, recruits Tayson because of his heritage.
Being the last member of his clan, he’ll do everything to become strong enough to avenge his family and restore the honour of his clan.