Invisible Hentai Man Collection

Series of pink films about invisible perverts.

1. Invisible Hentai Man (2013)
2. Invisible Hentai Man: 60 Secretive Minutes (2014)
3. Zetsu-Rin! Invisible Hentai Man: Second Virgin and Magic Potion (2016)
4. Zetsu-Rin! Invisible Hentai Man Abnormal Ecstasy (2016)