This is an English manga adaptation of the material titled "I'm a customer!" Maria, a European employed by a luxury watch manufacturer in Japan, felt offended when a taxi driver and a convenience store clerk used informal language with her. She often experiences a sense of being treated impolitely due to her status as a foreigner. However, Maria firmly believes in the importance of treating everyone equally and respectfully, and she perceives their behavior as unprofessional in their respective roles.