Akihito's older brother; a powerful fox youmu and former member of the Youmu Police who is fiercely protective of his family and trains Akihito.
Past operational partnership within the Spirit World Department, marked by mutual respect and tactical synergy.
Brother and sister maintaining a united front within the Nase family structure.
Brother and sister bound by blood and shared trauma, with Hiroomi fiercely protective of Mitsuki.
Explore the full interactive character relationship map of Beyond the Boundary: I'll Be Here – Past