Despite recently turning 17, the otherwise ordinary Yucie still has the body of a child. Having stopped growing past the age of 10, Yucie yearns to fully mature into an adult body. One day, she is chosen as a candidate for the title of "Platinum Princess," given once in a thousand years to whoever is worthy of the Eternal Tiara—a mysterious crown said to grant any wish. She's not alone either, as four other candidates also compete to have their own wishes granted by the crown. As a result, Yucie enrolls at the nearby Princess Academy in order to grow her heart and work towards becoming qualified for the Eternal Tiara. With her family, rivals, and even the principal of the academy there to lend a hand, will Yucie's much-desired wish finally come true?

After being deserted by her parents, 11-year-old Miyori shuts her heart from the rest of the world and denies any form of human relationships. She was entrusted in the care of her grandmother who lives near a forest. Miyori will take a walk in the forest where she felt a strong sense of loneliness in the forest which seems to have nothing. However, she soon encounters unbelievable things and gradually realizes that the forest is more than what it seems...

A resident of the Floating Castle that battle demon beings, the girl Rasutel (Rasu), chosen by the willful lady, the Demon-Breaker sword, is sent on a quest to save a princess kidnapped by a Youki. Her quest is helped by a mysterious Youki called Anshu (but he has basic color that usual Youkis do not have.... hehe!). She is also hampered in her quest by her demon-being oriented younger brother who seeks her golden eyes, the heritage of their father, the Golden Youshu.

An undefeated immortal from three realms go to Earth to meet the mother of his daughter who they conceived when the immortal wandered into the woman's dream.