Kumi Ishiharu is a knight sworn to protect the young Lady Maemi, who is a sole ruler of a powerful Kingdom. Kumi is allowed into the 'Blue Rose Knights', a very high end guard for that are some of the only people able to be near the Lady. In the guard, he befriends Shiro Tagasuni, a gaurd his age. But one day, after accidentally walking in on the Lady as she was getting dressed, they discover something shocking. Lady Maemi is a young boy! After entrusting to the two the boy's deep secret, Kumi and Shiro begin to realize they are developing feelings for the boy. And as a bloody war between kingdoms begins, will the two knights survive and protect their new found love? Or will Maemi, Kumi, Shiro, and the Blue Rose Knights shatter like glass?

The story of an 16-year old Arine, Momoka. Momoka possess a powerful book that has the power to control the world's balance of good and bad. She has lived in secret for years, out in the middle of nowhere, enjoying her peaceful life. Occasionally a traveler would pass by, and she would listen to their stories. But when she meets a traveler named Habiki, her peaceful life changes entirely.