by YSiGn_
In a world that appears ordinary on the surface, dark entities slither through the cracks of reality to threaten humanity. While people go about their lives, oblivious to the true danger, Kaito Ashen, a young man with piercing eyes and an air of silence that hangs heavy around him, stands as the silent guardian of this world. No one knows his secret. No one realizes that this cold young man, who barely speaks four words, possesses a power capable of changing the fate of the world. In his hands, ordinary playing cards transform into portals that summon legendary warriors and ancient monsters who bow to him in absolute loyalty. But behind that icy mask lies a heart that beats quietly. His two friends, who tolerate his silence, and his beloved Hana, who fills his life with a warmth he doesn't know how to express these are his true world. A small world he silently protects as he faces three of the most dangerous creatures humanity has ever known.
