Fearsome foes. An uncharted dungeon. His true power awakens. Given a second chance at life, Arthur Leywin wishes above all to grow strong enough to protect his family as the memory of his cold and disconnected past life as King Grey still haunts him. To this end, Arthur adopts the persona of the masked adventurer, Note, and delves into the dungeons under the forbidding Beast Glades. On his adventures, Arthur discovers a strange magical blade that responds to the dragon's will inside him, befriends a powerful young conjurer whose past is shrouded in mystery, and battles the deadly Elderwood Guardian. Yet all his efforts might prove for naught when Arthur makes an enemy of a talented conjurer from a very powerful family, putting his very future at risk.