The Sleazbox and Gatorblade Films have released many horror films with explicit nudity and brief explicit sexual acts. Only film on here I've seen showcased is the first film in the Death-Scort trilogy. Found the films on VK, not for everyone, but enjoy!
Death-Scort Service
Death-Scort Service Part 2 The Naked Dead
Real Penis, fake blowjob.
Taste Me: Death-Scort Service Part 3
Death-Scort Service
Death-Scort Service Part 2 The Naked Dead
Real Penis, fake blowjob.
Taste Me: Death-Scort Service Part 3