Actress Asana Mamoru (Maki) had to control her bowel movements while filming the outhouse scene so she didn't poop on the zombie (actor). Some of the farts heard were real.
The diarrhea scene in the outhouse was real, the actress who play Maki had an upset stomach that day and was beneficial to the making of the scene.
The parasite inside the fish that the girl ate was just a string of Spaghetti.
The film is available to download on Netflix. However, viewers noticed that the subtitles were out of sync with the dialogue.