Vika has an older sister blessed with light and called the White Lily Princess. She herself has been blessed with darkness and called the Black Lily Princess, and has lived an unremarkable life. One day, her father, the king, orders her to make her sister and the Holy Knight Filo a couple. Vika, who is secretly in love with Filo, is shaken, but follows the order and uses a forbidden magic spell. However, the spell fails for some reason. Vika tries to persuade him herself, but is cornered by an enraged Filo, and before she knows it, she finds herself faced with a raging Filo who has gone out of control with his magic... [60 pages] 62 pages in total, including the cover and other pages. Happy ending!