His father, Danshiro Ichikawa, and his mom, who had been discovered useless at house on the 18th with Kabuki actor Ennosuke Ichikawa, are suspected of getting died of psychotropic drug poisoning. I perceive.
In the longer term, the Metropolitan Police Department will ask Mr. Ennosuke concerning the circumstances and examine how his dad and mom died.
Source
Ennosuke Ichikawa’s dad and mom Cause of loss of life suspected of psychotropic drug dependancy Metropolitan Police Department | NHK
