Humans are granted the power of “mana” to unlock their potential for power and greatness. One handsome Kufa Vanpiel is a powerful assassin, fortunate enough to have great mastery of his mana energy. One day, he is given a mission pertaining to the young Lady Melida Angel: a “talent-less” teenage girl despite coming from a reputable noble family known for becoming royal paladins.

With high society gossiping and questioning Melida's parentage, Kufa’s mission is simple: to become Melida’s tutor and awaken her her potential as a great paladin for her noble family's glory. Though behind his main job, there hides a sinister Plan B that might resort to Kufa using his killing expertise.

Is Melida a worthy paladin or truly talent-less? It’s a bet on Kufa's own pride to show the world what the young beautiful lady is capable of!