In the early morning hours of May 21, Hideto Uchida allegedly produced a knife while demanding cash from a male cashier, 29, at an outlet of Sunkus located in the Ebisu area. The cashier then placed about 480,000 yen in cash in a bag for the man before he fled the scene.
The cashier was not injured in the incident.
According to police, Uchida works part-time at the store. Prior to committing the crime, the suspect, who was wearing a breathing mask, pretended to be a customer purchasing a canned drink and was not recognized by the cashier.
Uchida returned to work after the incident, police said.