In the country of Temirana, status and occupation are determined by birth month. Fifteen years ago, a third princess was born with a bruise on her forehead and declared a cursed child — forced to live alone in a mansion far from the castle. On her sixteenth birthday, at the Helis Duellum duel tournament, she sees five men shining with a light different from any she has ever seen before. Trusting her intuition, she invites them into her knighthood order — despite the fact that some have no interest in being knights, or in swordsmanship at all. A calamity is approaching. Will five unconventional knights be enough?