Egao no Daika

There is a certain kingdom on a planet far from Earth that is filled with smiles. Fate places the idealistic, joyful, and innocent young Princess Yuki in a position in life that is not a good fit for her most charming characteristics. Her kingdom is in dire peril because the Empire jeopardizes its security. Stella Shining, an imperial soldier fighting on the opposing side, is concealed behind a facade. But eventually her mask might break, possibly costing her everything. The destiny of nations will be determined when the paths of Princess Yuki and Stella meet.