The companies are seeking bathroom-sex stories, which can be submitted in the contest's forum thread at XCritic.com.
Five signed copies of Fuck Me in the Bathroom - Part Deux will be given away. Additionally, there will be a grand-prize drawing for a one-hour private webcam show with Joanna Angel.
Submissions will be accepted through July 7.
Fuck Me in the Bathroom - Part Deux features Joanna Angel and four friends in five sex scenes that take place entirely in bathrooms.
"The lengthy feature and the wealth of extras give this release a lot of value," Chris Thorne of XCritic said. "On top of that, and more importantly, the sex is hot throughout."
Visit XCritic.com for more information and a review of Fuck Me in the Bathroom - Part Deux.