A world that is filled with strife, with mankind fighting against monsters and their fellow humans, which caused a loss of many lives.

Mankind is protected by the "Rose Knights", individuals who are blessed with the Sacred Power.

However, even that hope is taken away...

Humans and monsters took over the world as they defeated the princess knights. Will the girls be able to carry out their faith, or maybe...

Her name is Ashley. Ashley Hornet, a rose knight princess who lives in the Capital Gleotos. The story starts from there...

[Translated from Official Site]