Hiroko Miike supervises the construction site where the protagonist applies for work, overseeing hiring and assessing candidates' suitability for the physically demanding environment. During the protagonist's interview, she reviews his application without initial objections but questions his capacity to endure the job's rigor. Her unconventional evaluation method requires her to undress before him and present her bare buttocks, challenging him to demonstrate endurance under explicit circumstances within a strict ten-minute limit. She commands authority over the site crew, maintaining professionalism while enforcing unorthodox testing protocols. Her black hair and grey eyes contribute to a distinctive presence among the workforce, embodying workplace dominance dynamics through her direct, commanding approach to applicant evaluations. Within the narrative, she administers physical and psychological challenges to the protagonist, positioning herself as an obstacle requiring endurance to overcome, and underscoring her dual function as evaluator and initiator into the site's work culture.