Rin Himesato is a shy and plain girl who is troubled by the fact that her breasts are a little bigger than most people's. One day, on her way home, Rin is attacked by Hameldar, an evil organization infesting the city. A desperate situation! At that time, the person who helped her was Sumire Hiyama, also known as Magical Fighting Princess Frostia, who is also her ally of justice and a senior at school. Rin learns of Frostia's true identity and can't help but worry about her fighting. The flame of justice dwells in Rin's heart due to the predicament that Frostia finds herself in! "I want to become a magical fighting princess...!" The story of a magical heroine of justice who fights against an evil organization begins! Lilustear's special move is roaring!! Her erotic big breasts sway, Her plump thighs peek out from the skirt. The combatants who ascended “twice” are all in ecstasy!?