Collecting three tales of hardcore, beastly gangbangs, Monster Violations 13 is the perfect bundle for anyone looking to walk on the wild side. These stories include rough sex, gangbangs, double penetration, dubious consent, bukkake, cream pies, and monster sex.

The Tiki God Luau

After a messy breakup, Riley is heading to Hawaii for a weekend of sun, surf, and hopefully a few random hookups. But, after a mysterious encounter on her plane, Riley finds herself in the possession of a mysterious tiki idol that threatens to severely complicate her vacation plans.

Riley knows that the tiki gods are capable of granting incredible wishes, but at what cost? Frustrated with her lack of sexual satisfaction, Riley puts her idol to the test and learns the hard way to be careful what you wish for...at the center of a hardcore tiki god gangbang.

The Robot Workshop

Even with a degree in mechanical engineering, Effie's having trouble finding a job, and her savings are quickly wearing thin. But when she answers an online ad looking for an engineer, she has no idea how much her life will change.

Effie soon finds herself wrapped up in the final testing of the world's first artificially intelligent sex robots, throwing herself into her work with a hardcore robot gangbang.

The Gargoyle Roost

From the first day that Jessica moves into her new apartment, it's clear something strange is in the air. But, it's only when she notices the gargoyles on the roof shifting locations over night that Jessica decides to solve the mystery for herself.

Little does Jessica know that these stone creatures have been soaking up lustful energy for centuries, and they are very, very horny.