Tokkan(2012)

Tokkan follows Suzumiya Miki, a rookie tax collector navigating the harsh realities of her new career. Miki earns the nickname "Guuko" after repeatedly freezing up around her intimidating, cold-hearted boss. As she tackles the demanding work of collecting taxes, she discovers both the strictness of the job and her own resilience. The series captures her growth from anxious newcomer to capable professional, balancing comedy with the genuine pressures of bureaucratic life. Through encounters with difficult clients and workplace challenges, Miki learns what it takes to survive in Japan's tax collection system while finding her footing in an unforgiving environment.