Rey Demonio Inmortal y Humanos

The captivating realistic cover of "Immortal Demon King and Humans" features a close-up of a slender man with pale gray skin and long, white hair, looking down with a conflicted expression. He is dressed in tight, white pants and an asymmetric shirt with diamond cutouts, highlighting his physique. The background is a dramatic, fiery landscape with dark, swirling clouds, and hints of a ruined world. The title, "Immortal Demon King and Humans," is emblazoned in bold, gothic lettering, with the words stacked vertically to fit the mobile format, emphasizing the dark fantasy elements of the narrative.