"The presence of the assassin Noah may cause adverse rumors to the party." Noah was suddenly banished from the brave party. For Noah, who grew up in lonely and painful training every day, the brave party friends thought he was a reliable friend he finally found ... In front of Noah, who is at a loss, his childhood friend, Princess Rubia, appears. She asks "Would you like to escort me?" The King presents certain conditions to Rubia, who recommends Noah as her escort. It was to defeat Tony Brown, one of the world's strongest twelve knights, in a simulated battle. Can Noah be the escort of Rubia?