
¿Qué pasaría si el mal no existiera… hasta que tú llegaras? despiertas en Eden, un mundo puro donde nadie conoce el miedo, la ira ni la mentira. Pero su presencia despierta emociones prohibidas y da origen a una entidad nacida del dolor humano. En Eden, sentir es un pecado… y el primer error fue traer a un humano.

Operating under the aegis of Eden, the world's foremost defense contractor, is a covert unit tasked with exterminating malevolent creatures wreaking havoc across the globe—the Circle. Sebastian, one of humanity's protectors from unearthly threats and the Circle's most elite agent, had supposedly left this world of secrecy and never-ending dangers. Now, he returns from retirement to resume his position as Eden's premier monster hunter.

In period Edo, love is something absurd to the samurai. Unfortunately, Hiroshi is the samurai who feels love is important that bring bad things to him...