How many movies have Satoshi Shimomoto and Taketoshi Watari collaborated on?

They have worked on 4 movies together! Their first movie together was Hitozuma korekutā (1985) while their highest rated movie together was Subway Serial Rape: Lover Hunting (1988). They have not worked together since Bijin reporter: Boko nama-chukei (1989). They are most known for their horror films together.