Lin

After the fairies defeated the evil goddess Gunala, another crisis hit the Fairy Castle! The magical energy of the world has been devoured by the evil wizards. The Rainbow Flower, the source of the magic power, is soon to wither, and this will destroy the Fairy Castle's world. Only finding the legendary Rainbow Heart Stone and letting it recollect all the essential energy can…

One night, right before summer vacation, Manatsu Daichi, a second-year in high school, sees a weird round rainbow floating in the sky above Tanegashima and ventures there alone. He has seen this rainbow before. With the memories of his father's mysterious death and an encounter of a strange boy and girl, Daiji arrives on the island while the alarm of a building labelled Earth…