How many movies have Hirokoji Osaki and Rikka Ono collaborated on?

They have worked on 1 movie together! Their first movie together was 義妹のぷりぷりお尻が生イキすぎたから…両親不在の３日間に激ピス！バック中出しで分からせ子作り！ (2025) and was their highest rated movie together.