Hakutaku, a celestial beast rooted in Chinese mythology, takes the form of a 185 cm humanoid with black hair and piercing grey eyes. He resides in Heaven’s Togenkyo region at Sentou Farm, where he oversees a traditional Chinese medicine shop and mentors Momotaro—a reformed ogre slayer—while managing a team of herb-processing rabbits. A polymath versed in medicine, alchemy, history, literature, and agriculture, his legacy includes crafting an immortality elixir that first entangled him with Hozuki, his enduring rival.

Renowned for his charisma, Hakutaku charms female clientele seeking his medical prowess, though his womanizing habits often provoke violent retribution from scorned lovers like Chun. His dynamic with Hozuki oscillates between mutual contempt and a sardonic camaraderie fueled by shared sake sessions, exacerbated by their uncanny physical resemblance.

Born at the dawn of time, Hakutaku’s ancient existence was once marked by solitude, a stark contrast to his current role as a comedic foil. Frequently subjected to slapstick misfortunes—beaten by enraged women, derided for his inept artistry—he embodies the trope of the beleaguered trickster. Over time, his initially contentious bond with Momotaro matures into grudging respect, as the former ogre slayer learns to tolerate his mentor’s flaws.

Functioning as Hozuki’s ideological counterbalance, Hakutaku’s lighthearted misadventures and clashes with his rival underscore their dual roles in preserving equilibrium between celestial and infernal realms, their rivalry unaltered across ancillary narratives.