The manga series 'Mitsuboshi Colors' by Katsuwo begins serialization.
Announcement of the anime adaptation of 'Mitsuboshi Colors'.
The 'Mitsuboshi Colors' anime TV series premieres in Japan.
The final episode of the 'Mitsuboshi Colors' anime airs, concluding its run.
The three girls, Yui, Sacchan, and Kotoha, come together and officially form the Colors to protect and bring happiness to their city.
The Colors notice an increase in graffiti tagging and set out to stop the vandals in their own playful way.
The Colors meet the local police officer who often keeps an eye on their activities and sometimes joins them on their adventures.
The Colors investigate a mysterious abandoned house rumored to be haunted, leading to a mix of excitement and fright.
The Colors enjoy the local summer festival, participating in games and eating festival treats while keeping an eye on any mischief.
The Colors find a lost cat and help it reunite with its owner, showcasing their caring nature.
They organize a treasure hunt using clues spread across the city, turning a normal day into an exciting adventure.
The Colors have their yearly picnic meeting spot to discuss their plans and enjoy each other's company.
The Colors engage in a fun snowball fight, building snowmen and making the most of the winter season.
The Colors make resolutions and exciting plans for the coming year to continue protecting and bringing joy to the city.