Tamashiro Neko is a young witch in training, sent off by her parents to finish her studies. In her search for a place to stay, she arrives in a quiet town in the countryside, but then her first trial begins.
Hark! The city is in peril! Who you gonna call? Colors!
Sacchan, Yui and Kotoha are here to protect the city, solving mysteries and battling enemies with help from their friends.
But their quest isn't an easy one as their arch-nemesis Saitou, the violent police officer of Ueno, meets them at every turn.
Zajiro is a salaryman who draws manga during his daily four-hour round-trip commute — a perfectly appropriate activity on a subway that shuttles between fantasy and reality. Today he continues to ride that real/surreal subway, pen in hand, depicting a mysterious underground world where pens take the form of pantographs and elephants amble aboard the train.