At around 11:30 a.m. on Wednesday, a partially skeletal corpse was found on the ground in a 45-centimeter-wide gap between two buildings, one of which includes the residence of a woman, 59, who was reported missing to police by an acquaintance in March.
The body did not exhibit any external wounds, police said.
Police are now working to confirm the identity of the body.
The location of the discovery of about 400 meters southwest of JR Shimbashi Station.