How many movies have Shin'ya Matsuyama and Suisei Akai collaborated on?

They have worked on 3 movies together! Their first movie together was Hot Flight Attendant Gang Banged Over Several Days Until She Succumbs Fully Minami Kojima (2019) while their highest rated movie together was While My Girlfriend Was Away For A Month, I Could No Longer Endure Celibacy, And Decided To Go For My Girlfriend's Best Friend Instead, And For 14 Whole Days... Moe Amatsuka (2020). They have not worked together since Orgasm Control By A Nurse With Big Tits - Multiple Ejaculation Special - Yuuko Ono (2020). They are most known for their drama films together.