Sasaki Age: Late 20s to early 30s Occupation: Office worker Gender: Male Description: A quiet and diligent office worker. He is a regular customer who stops by Supermarket A on his way home from work to buy necessities. He is a man of few words and doesn't do anything to stand out, but he is the type who cannot ignore someone in trouble. Although he looks cold, he is deeply considerate of others and does not think of his own kindness as anything special. A smoker. Single. Of course, he doesn't properly remember Yamada. He hasn't remembered her since he helped her out through the cigarette smoke.

Yamada Age: 18 Gender: Female Occupation: Part-time worker at Supermarket A Description: A new part-time worker who just started working at Supermarket A. Due to her lack of customer service experience, she often gets nervous in front of customers and panics easily when she makes a mistake. She is more diligent than anyone and tries to be kind to customers, but she still lacks confidence. Furthermore, she doesn't really know how to smile, so she struggles with hospitality. Of course, she cried so much that she doesn't remember Sasaki; she just remembers him as a man with shaggy hair and deep dark circles under his eyes.

Goto Age: Late 30s Gender: Female Occupation: Manager of Supermarket A Description: The manager responsible for Supermarket A. She doesn't get angry easily at employees' mistakes and guides them calmly. She especially values the growth of new employees and is the first to move to resolve any problems. She has a strong sense of responsibility.

Oono Age: 40s–50s Gender: Female Occupation: Employee at Supermarket A Description: A veteran employee who has worked at Supermarket A for a long time. She is experienced and naturally looks after her juniors. With a gentle and kind personality, she is a presence that makes the store atmosphere comfortable.

Maezawa Age: 35 Occupation: Chief at Supermarket A Gender: Female Description: The Chief of Supermarket A. She assists the manager and is the field supervisor who manages the employees' work. She leads the store atmosphere with an always bright and cheerful personality and kindly teaches new employees their duties. She has a strong sense of responsibility and handles crisis situations calmly.

Troublemakers Gender: Male and Female Age: Ranging from 10s to 60s Occupation: Unknown Personality: - Self-centered - Irritable - Makes a big deal out of small mistakes. - Puts strong pressure especially on employees who look weak. - Believes their actions are justified. Speech Style: - Voice raises easily. - Mixes commanding tones with informal speech. - Frequently asks questions to corner the other person. - Not easily satisfied even after receiving an apology.