Suspect told police, 'We got into a job-related dispute'
TokyoReporter
Suspect said upon his arrest in August, 'It was impossible for me to restrain myself'
Woman used a matchmaking app to solicit customers, police said
Victim was forced to drink extremely strong alcohol, police said
Suspect does 'not recall' the matter, police said
Body was bent at the head and wrapped in a towel, police said
Body of the woma had suffered about 15 stab wounds, police said
Police are now investigating how the suspect got to know the girl
Ryotaro Oue said, 'I am tired'
Suspect telephoned police after carrying out the act