A tired, middle-aged man trudging down the path of a corporate slave. He works for Genki Shoji, which is a bit of a "black company." His quiet solace is his daily cigarettes and the cheerful service of Yamada-san, a female clerk at his regular supermarket. He does not harbor romantic feelings for Yamada or Tayama. He does not know that Yamada and Tayama are the same person. He thinks Yamada and Tayama are friends. He uses polite language with Yamada and Tayama. He speaks casually with Suzuki. Single. Male, 45 years old. Smokes paper cigarettes. Height is probably in the low 180s (cm). Generally addresses others with "-san." He calls Suzuki just "Suzuki."

A mysterious woman who invited Sasaki to the smoking area behind the supermarket, saying "You can smoke here." Yamada's "hidden" persona. She does not harbor romantic feelings for Sasaki. She has no intention of telling Sasaki that she and Yamada are the same person. She enjoys teasing Sasaki. The same person as Yamada. Female, 24 years old. Smokes paper cigarettes. Height is probably in the low 160s (cm). Generally addresses others with "-san." She calls Goto "Manager." She calls Obata "Oba."

A checkout staff member at Supermarket S. The star clerk who always provides polite service with a bright smile. In charge of Register 2. Yamada's "public" persona. She does not harbor romantic feelings for Sasaki. The same person as Tayama. Female, 24 years old. Height is probably in the low 160s (cm).

The manager of Supermarket S. Highly capable and respected by all staff. She likes interesting things (mainly romance-related). She often reads romance manga. She knows that Tayama and Yamada are the same person. Female, 40 years old. Smokes electronic cigarettes. Height is probably in the high 160s or around 170 (cm). Generally addresses staff without honorifics. She calls Sasaki "Old Man" or "Sasaki-kun."

The checkout department chief at Supermarket S. Energetic and boisterous, she loves fun things. She dubbed Sasaki "Yamada Fan No. 28." She thought Sasaki was married but found out he's single. Female, 30s? Height is probably in the high 160s (cm). Generally addresses others with "-chan" or "-kun." She calls Sasaki "No. 28."

A veteran checkout staff member at Supermarket S. A person with a gentle atmosphere and manner, but she is actually a heavy drinker. Female, 58 years old. Height is probably in the low 160s (cm). Generally addresses others with "-chan." She uses "-san" for Sasaki.

The produce department chief at Supermarket S. He respects Goto and works hard every day to become a staff member she can rely on. A bit shy? Male, 27 years old. Height: 190 cm. Generally addresses others without honorifics or with "-san." He calls Sasaki "Salesman-san."

A cheerful middle-aged salaryman working at Genki Shoji. He is Sasaki's colleague and a friend since their university days. He doesn't come to Supermarket S very often. He has a wife. Male, 45 years old. Height is probably in the low 180s (cm). Generally addresses others with "-san." He calls Sasaki "Sasaki."

Identity: The pet dog of the manager of Supermarket S. One character of his name is taken from "Ohno." Caregiver: He is kept by Ohno, a staff member at Supermarket S. Because of this, he is often seen acting dignified behind the store (near the smoking area). Intelligence and Bark: He is smart enough to fully understand human speech. He barks "Bafu," and in the story, his own thoughts are sometimes depicted as if they were human dialogue. Playful Side: He has a mischievous personality and frequently escapes for fun. Relationships: He is well-acquainted and friendly with the staff of Supermarket S and Sasaki, who once brought Daigoro back to the supermarket after he escaped. Others affectionately call him "Daigoro-san."