A kingdom full of smiles in a star far from the earth. Princess Yuuki is twelve years old, and it is almost time for his age. Crying everyday, laughing, sometimes throbbing …? While doing it, I live happily in the royal palace. It is the faithful vassals that color the days. Leila as an educator, Izana as assistant politician, head of the knight captain Harold, and … aides of childhood friend, Joshua. “Yuuki! If you have fightingness and guts, you can do anything!” “…… a little more … it is !! Joshua, make it even more aristocratic!” Stella is a seventeen year old, competent and cool soldier. But smiles are not always broken …… smile is indispensable to live. This is the story of two girls born in distant stars.