Mousou Senka

Yuusha-chan no Bouken wa Owatteshimatta!

Synopsis: After defeating the Demon King and restoring peace, a young heroine continues her journey to eliminate the remaining monsters scattered across the world. Despite her overwhelming strength, she becomes haunted by increasingly vivid nightmares that blur the line between dreams and reality. As she investigates their mysterious origin, she finds herself drawn into a sinister force that slowly erodes her resolve and threatens to consume both her mind and body.