In the center of the "Starry Sky Realm", which is very far away from the earth, there is the Sanctuary "Star Temple" and the Star Princesses of the 12 constellations, whose power maintains the balance between the universe. However, one day, the Star Princesses were attacked by unknown people and turned into 12 "Princess Starlight Colored Pencils" scattered throughout the universe. If this continues, the planet will be destroyed, and even the earth and the universe will be swallowed up by darkness......! "When the light of the stars disappears, the legendary warrior Pretty Maiden of Light, born with the Book of Lights, will regain the light of the stars." Following this ancient legend that has been passed down in the universe, Lara, an alien girl from the starry realm of Shaman, and Prence, the cosmic fairy who serves the Star Princess in the Star Temple, leave their hometown* with the last born hope of the Star Princesses and embark on a journey to find the legendary warrior "Pretty Girl of Light". In the Earth Japan Stargazing Town,The protagonist Hoshinahikatsu,It's a sophomore junior high school student who likes the universe and constellations.,One day,Hoshina Hikatsu, who was observing the starry sky and recording the constellations, was bumped into by Fuva, an unknown creature that jumped out of a wormhole that suddenly appeared.。 The next day, a rocket that fell from the sky also brought the alien girl Lara and the cosmic fairy Primus. The real alien has appeared in front of his eyes! This is where the story begins......