The colors track down a cat burglar and help the local shopkeeper solve a mystery to rescue a treasure from a locked safe.

Nonoka tries to protect her family's bakery from her older sister Momoka, who wants to turn into an onigiri shop when she inherits it, but fails to make an argument with her quality of bread. Later, Yui participates in a street parade before joining the others in going to a summer festival at her school.

The colors introduce their town and try their hand at being salesgirls.