My Wife Is a Butterfly Ninja

A mark and a pair of star eyes, starting in a cruel world where ghosts eat people and people kill ghosts. With the help of the system, Ye Chuyuan began his own path to pursue immortality from the world of Demon Slayer: Kimetsu no Yaiba. Harem, Pseudo Invincible, All Heavens Are Infinite, currently tentatively scheduled for Demon Slayer, Zhan, Crimson Eyes, Sword Art Online, Academy Apocalypse, Halberd Eater Spirit... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.