Ragna Crimson manga volume 1 features story and art by Daiki Kobayashi.

Dragon hunters: warriors armed with special silver weapons who kill their prey for bounty. Lowest among their ranks is Ragna, who forms an improbable partnership with the young genius Leonica, a master dragon slayer with more kills to her name than almost any other. All Ragna wants is to stay by Leonica’s side, but his dream is shattered by an attack from the deadliest dragon imaginable…

Ragna Crimson manga volume 2 features story and art by Daiki Kobayashi.

Set on victory at any cost, Ragna joins forces with Crimson, a powerful dragon and traitor to his kind. Crimson’s motivations may be obscure, but he and Ragna share the same goal: to destroy the dragon monarchs. Their current target is Disas Trois, the “Tempest Cell,” who is terrorizing a border town with his gruesome, wind-based attacks. Crimson rallies a band of dragon hunters to fight the Tempest Cell, but unbeknownst to them all, a massive disaster is unfolding in the royal capital.

Ragna Crimson manga volume 3 features story and art by Daiki Kobayashi.

Ragna and Crimson infiltrate the royal city of Celesviera in order to strike down the Winged Monarch, Ultimatia. Crimson summons his followers, Golem and Chimera, in order to devise a plan of attack. Meanwhile, Ragna is wandering the city alone and ends up in a chance encounter with Ultimatia! As he faces off against the time-controlling Winged Monarch, he makes a fateful choice…