Senketsu Oujo, Minna Korosu

<p>Mary, a failure princess, cannot uses magic.<br/><br/>A political marriage has been arranged for her..<br/><br/>Finally, she's useful as a member of the royal family――Mary thinks positively. However, she's arrested at the fiancé's unveiling party for ridiculous crimes and sentenced to execution.<br/><br/>Betrayed by her parents and even her brother, Mary flees with her older sister, the only ally she has.<br/><br/>However, she's unable to escape and have been killed along with her sister by the most powerful magician, the "Arcana User".<br/><br/>However, at the edge of death, Mary's power awakens.<br/><br/>The power she gained was the Arcana of "The Death", eats corpses and strengthens herself.<br/><br/>With this ability in hand, Mary decides to take revenge on all those who killed her sister.<br/><br/>Based on a web novel by Kiki</p>