Kamen Rider Hibiki(2005)

To us, there are heroes.

Kamen Rider Hibiki is a Japanese tokusatsu series following Asumu Adachi, a teenager navigating high school and an uncertain future. When he befriends Hibiki, Asumu discovers his new companion is secretly an oni—a supernatural warrior locked in a hidden battle against the Makamou, monstrous creatures threatening humanity. Drawn into this secret war, Asumu watches Hibiki and his oni allies fight to protect the world while grappling with what adulthood truly demands. The series blends action-packed monster battles with coming-of-age drama, exploring themes of responsibility, friendship, and finding one's place in an unpredictable world. Hibiki's mentorship becomes central to Asumu's journey from uncertain teenager to someone capable of facing life's darker realities.