Summary:

A month before Graduation Kousaka Mayu confessed to and was rejected by her crush Amamiya Shinya. Now starting High School she finds forgetting him impossible, not only is he in her class but also actually sitting next to her! Drowning her sorrows in her family's Coffee Shop wondering why the angel she remembers from her childhood could turn into such a devil, she cries into her cup of tea - which suddenly changes colour! Drinking it and finding it revolting she sees a tiny (and angry) spirit next to the cup. The spirit, Pu-cho, is furious that Mayu drank "Her" drink, the drink that would allow her to grow up and be able to use proper magic! From now on if Mayu drinks anything other than water she will transform into …..?! The only way for the 2 of them to achieve their goals is to collect the 7 Colours of the Rainbow Juice! Will they be successful and will Mayu ever be able to melt Amamiya's heart?

(Summary by Vickstar)