Yakumo Fujii

Bound to Pai’s fate, this central protagonist serves as her devoted Wu and companion following a tragic encounter with the demon Takuhi. After sustaining a mortal injury, his soul merged with Pai’s, granting him immortality tied directly to her continued existence. Driven by a sense of duty, he strives to fulfill his late father’s vow to help Pai regain her humanity, navigating a dangerous journey alongside his supernatural bond.