One victim suffered a fractured skull that required 1 month to heal
TokyoReporter
Suspect told police, 'I didn't think it was a crime'
Police are treating the case as the result of foul play
Kizuna group consisted of street scouts, an AV company, a sex parlor and a beauty salon
Suspect stabbed nurse in the back on 2nd floor of the Iwate Prefectural Ofunato Hospital
Suspects surrounded victim on street, suggested they go for a drink
Box found emptied and destroyed in nearby park, police say
Walls of two nearby buildings also singed, police say
Suspect fled after woman resisted, police say
Suspect allegedly engaged in sex acts with the girl, 16, at a hotel