Chapter 1
On her way home from school, Chishiki Natsu is hit by a magical beam of light, and receives a mysterious necklace...

Chapter 2
Chishiki and Yukai learn about the Niji Chikara.

Chapter 3
With Green Nature found, the girls must find their fourth and final teammate, Yellow Lightning. But there may be a problem...

Chapter 4
Now that the four heroines are together, it's time for them to learn how to use their powers! But they're not the only ones getting stronger...