In a futuristic Japan where android housekeepers are common, society strictly follows the Three Laws of Robotics governing android behavior. The Robot Ethics Committee enforces treating androids as mere appliances, sparking disdain towards 'android-holics' who revere these machines. Rikuo Sakisaka, raised to view androids as tools, has his beliefs shaken when he uncovers a hidden message in his android Sammy's logs. This discovery leads him to Eve no Jikan, a cafe challenging the norm by prohibiting the differentiation between humans and androids. Intrigued, Rikuo delves into this cafe's secrets, aiming to unravel Sammy's enigmatic actions.