At around 5 p.m. on Tuesday, the perpetrators broke into the apartment, and one of them used a cord to bind the hands of the 47-year-old man. The suspects then stole 3 million yen in cash before vacating the premises.
According to police, the three suspects are believed to be in their 20s. Standing around 170 centimeters in height, they have slender builds. They were all dressed in black clothing and wearing knitted hats and white breathing masks.
After the suspects fled, the man freed himself and alerted police. The man suffered minor injuries in the incident, police said.