Police arrived at the scene four hours after the man made the call
TokyoReporter
Police are investigating the circumstances that led to the incident
Also arrested was a male acquaintance from Uzbekistan
Suspect said, 'I did it because I was struggling financially'
Suspect said, 'I thought we wanted to die together'
One foreign woman said, 'I'm going to live my life the way I want to'
Suspects arrested in the case were likely planning to move the corpse, police said
Suspect said, 'I have no recollection of this at all'