1964/09 Published in Manga Dokuhon (Bungei Shuinjusha)
Hyakka, a new employee at Manmaru Company, is known for his exceptional performance —he accomplishes tasks ten times faster than any other employee and enjoys popularity among female coworkers. However, his true identity is that of a prototype robot developed by the company, which intends to replace all human workers. Before long, Hyakka is appointed as the union leader, gaining the trust of his fellow employees.