1 Princess has finally returned in the Prism World 2 years ago, now the gates of the Prism World is open because of the Rainbow Moon. The Rainbow Moon only happens every 40 years. Now the Prism World has opened the bridge to go to earth, the Prism World's hell has finally opened their gates as well. Sadly the Princess did not make it in time to keep it close with gates of hell. The Prism Demons have finally escaped their cages and had their freedom, and destroyed the Prism World. Somehow the demons were able close the gates to go to earth. The princess must find another way to go to earth. Before she could do that, She spreads the Prism Sparkle to find the chosen 6 to use the new performance to Prism Show. It is called: Prism Transformation. A chosen weapon will be given to you. You must use it wisely. It also allows you to do a Prism Live and a Prism Act. Two out of the ordinary girls named, Miyuki Taname, and Kai Murikami. And also a professional prism star, Rin Kitahoshi. They were the first chosen 3 to be the Protectors of the Prism World. They had to face their fears. The demon's power comes from the negative energy of the Prism Stars. Three new odd Prism Stars named Kira Kotone, Ai Shinjiru, and Fuyuka Gushiken. They were actually the other chosen 3. The 6 of them have been rivals with each other. But they have been good friends. There is one mysterious girl and a mysterious prism star. To face their challenges, the past prism stars, MAR's, Serenon w/K, Prizmmy, Puretty, Happy RAIN, and Bell Rose, helped them before the Rainbow Moon shatters, and wait for the next 40 years. They have another goal, it is to find the lost pages of The Legends of the Prism World. Will they find the lost pages to find the secrets?

The Darkness has risen, The Prism Rainbow is in danger. Kids are turning hopeless and Prism stars are working hard to cheer them up. The Rarest Prism Guardians can save the rainbow from disappearing or living in a B&W color. Miyuki Taname is one of them. From ordinary Prism star to a Prism Hero. Will Miyuki be able to defeat Dark Rinne for good? Or the Prism Rainbow will be gone forever?