Kouta Oyamada

Once a regular high school student raised by his grandfather, this shy and indecisive teen underwent a supernatural transformation after meeting Chizuru Minamoto. After being exposed to the spirit world, he transitioned from human to a kitsune. Despite his initial hesitation regarding Chizuru's advances, a profound emotional bond has developed between them. This deep connection allows the pair to fuse into a formidable five-tailed black spirit fox, marking his evolution from a timid boy into a powerful yokai.