Naru Ayase is an 8th grader who can see the colors of music when she listens to it. For Naru, who is extremely good at decorating, becoming the owner of a shop like Dear Crown was her dream. One day, she finds out that the manager of a newly-opened shop is recruiting middle school girls who can do Prism Dance, and immediately applies. Naru begins to Prism Dance at the audition, and an aura she's never experienced spreads out in front of her. At that moment, a mysterious girl named Rinne asks her if she can see "rainbow music." (Source: ANN)

Rei goes to an anime convention and ends up in a world created by the desires of anime fans. Rei doesn't know how to get back and the world starts to collapse because the convention is coming to a close.

These are a series of 13 omake episodes of Gun x Sword, tied in very loosely to the plot, with the characters as chibi puppets. The main characters are Wendy and her turtle, Kameo, who is the size of a human in this series and is able to talk. All the episodes seem to center around analyzing various events in Gun x Sword and mocking the themes displayed. They are included on the DVDs.

The story concerns Gauche, a professional cellist. During rehearsals for a performance, he is scolded by the conductor because his playing is not good enough. His timing is off and he seems to have no "feel" for the music. Gauche returns to his lonely cottage and starts practicing. Then a cat enters who tricks him into understanding the inner meaning of the music. The importance of practice is shown by a cuckoo, rhythm by a badger and tenderness by a mouse. In four days he learns the true meaning and feeling of music and develops into a great musician. Laced with popular classical music this special combines fun and inspiration for all ages and audiences.