How many movies have E-Tone and Naoki Kaneko collaborated on?

They have worked on 5 movies together! Their first movie together was Promiscuous Wife's Sexuality: Pleasure Hunting (1992) while their highest rated movie together was Tandem (1994). They have not worked together since Lots of Peeping: Hot Underpanties of a Lover (1994). They are most known for their drama films together.