Briefly about Doom Summoner manga:
A blood moon in the sky, and the demon world invades. Wenyu reborn and returned on the first day of the last days, he changed to a special profession, the lord of souls, and summoned the madness of spiritual beasts.
Doom Summoner manga.
On the majestic earth, hunting tyrannical monsters, experiencing dark hearts and surviving desperate wars, he still seeks… nothing but light and hope.