An ordinary anime lover accidentally traveled through the world of Demon Slayer: Kimetsu no Yaiba and gradually became a true [Infinite Spellcaster]. There are ferocious man-eating demons here. They are born with strength far beyond the human body and super-fast cell regeneration. Through cannibalism, they continue to evolve and master extreme vampire techniques. They are called immortal [ultimate life forms]. Weak humans can only rely on the breathing of the five elements to compete with them, and they begin to fight against evil ghosts for hundreds of years. [Genius] [Spell] [No lower limit spell] [Six Eyes] [Space Manipulation] [Starting Breathing Technique] [Special Level...
Simple story written with heart