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She always thinks that she doesn’t need others, so she led a solitary life, and is happy with it. That is why she decided to learn the Chanting Skills, the skills on how to materialize one’s own “heart” and summon it. She believes if she learns the skill, she would become closer with him and tell him something she wanted to say for so long. Keinez (red), Ruguz (blue), Surisuz (yellow), Beorc (green), and Arzus (white) are the basic colours. Through a catalyst on same colour with the one she wants to summon, she has to glorify and then sing its name. They’re the Chanting Skills’ basic way to summon own “heart”. At a vocational school where these things are being taught a transfer student whose specialty is unorthodox Night Colour chanting skill, attracts her interest. Although, A well known Rainbow User, is also searching a Night Colour user…