The couple Alexis and Annie were named in tribute of the classic TV adventure series from Japan whose main characters were Alexis and Annie.
The character Elvie was wearing a short pink skirt at the first day of shoot. This was changed to the long white skirt that she hikes up to her chest to make it shorter. Mamon's 7th day report was shot on the first day. Frames where Elvie's pink skirt showed were edited out.
The character Godo was wearing slippers at the first day of shoot. This was changed to black shoes. Mamon's 7th day report was shot on the first day. Frames where Godo's slippers showed were edited out.
Every time the scene the character Trixie would supposedly trip and fall on her face would be shot, it would rain- so much that it affected the audio recording.
Rita's child was originally a son. And he and his wife and own kid were the ones who was supposedly going to visit Rita near the end of the movie but since there was no one available to play the son, it was changed to a daughter.