Getsu Fuma Den (Nintendo Cinematic Universe)

Getsu Fuma Den is a Japanese graphic novel.

Summary
With the return of Ryukotsuki and the death of his siblings, Fuma Getsu strives to avenge his brothers.

Plot Elements

 * In the first year of the Demon Age, the demon lord Ryukotsuki escapes from hell and plots to conquer the surface world ruled by the three Getsu brothers.
 * The Getsu brothers fight against Ryukotsuki, each wielding one of the three spiritual Pulse Blades that have been passed within the clan for generations.
 * However, the brothers are ultimately defeated by the demon and only Fuma, the youngest of the three, survives.
 * Vowing to avenge his slain brothers, Fuma ventures into Kyōki-tō to recover the three stolen Pulse Blades and summon the spirits of his brothers to defeat Ryukotsuki.
 * Fuma recovers the Pulse Blades and defeats Ryukotsuki, avenging his fallen brothers and freeing the surface world.