Alkan is a high-ranking member of the antagonistic Underground Cooking Society, also known as the Dark Cooking Society or Underworld Cooking Society, an organization dedicated to controlling people through culinary dominance. He belongs to the elite Five Tiger Stars, the society's five strongest and most formidable chefs, representing the pinnacle of its culinary power and serving as significant antagonists. Alkan emerges as a new antagonist in the sequel seasons of the 2019 anime adaptation. Operating within the society's leadership structure, he participates in its mission to locate and secure the Legendary Cooking Utensils scattered across China. The society enforces harsh training regimens that often leave physical scars, though specifics of Alkan's training or markings aren't detailed. Within the broader continuity of the *Chūka Ichiban! Kiwami* manga sequel, the Underground Cooking Society is revealed as a branch originating from the more powerful Taiji Cooking Society, tying Alkan and the Five Tiger Stars into this expanded culinary underworld; Alkan's specific role within this larger context isn't detailed.