Shioya, a recurring patron of Café Hakobune, is defined by his unwavering quest to obtain salt during each visit—a pursuit persistently denied until the second season’s final episode. His appearances hinge on this running joke, with every earnest request humorously unmet across both seasons. Interactions with the main cast remain sparse, solely centered on his futile salt-seeking efforts. The gag culminates in the series’ second-season finale, where his persistence is unexpectedly rewarded, resolving the long-standing comedic thread. Official materials refrain from elaborating on his background, motivations, or life beyond these brief, salt-focused exchanges, cementing his role as a dedicated narrative device for sustained humor.