Police are hunting the gunman, understood to be from the rival Tribesmen gang.
Komaru will live at the Nikko Toshogu shrine, and will be cared for by Chief Priest Hisao Inaba.
Otto Warmbier died in June last year shortly after he was flown home comatose after 17 months in captivity.
The Crusaders outclassed the Lions 36-10 in Christchurch tonight.
Mr Stiassny was appointed for a term of three years commencing April last year.
Lawyers for the 81-year-old entertainer filed a bail motion today.