Hakutaku is a character in the anime series 'Hozuki no Reitetsu.' He is a divine beast from Chinese mythology, known for his vast knowledge of medicine and herbs. Hakutaku appears as a handsome man with long white hair and a gentle demeanor. He works in the Chinese Medicine Department of Heaven and often finds himself in humorous conflicts with Hozuki, the main character. Hakutaku's role in the series is to provide comic relief through his rivalry with Hozuki while showcasing his medical expertise and kind-hearted nature.