Ruri chan 'Kôkai nisshi' - S1-E5
Factual error: Being set in the future, it is of course possible that some things changed, but it is worth noting that there are around 50 various flags behind Jun during the explanation of the funeral diversity, all real flags of contemporary countries - but the Cuban flag is the only one that is shown incorrectly mirrored, with the triangle on the right and not on the left. (00:05:20)
Ruri chan 'Kôkai nisshi' - S1-E5
Factual error: Amongst the weirdos with personalized funeral requests, besides a guy from England with the same residence as Sherlock Holmes, there's a guy who believes to be a vampire, Gyappy. He really believes in his classic Bela Lugosi character to the point of not having his age written down, but his residence is a generic "Poland, Earth", while it should be Romania or Transylvania. (00:07:00)
Ruri chan 'Kôkai nisshi' - S1-E5
Factual error: The altar Yurika is doing a ceremony at contains Cyrillic writing that appears to be gibberish mixed with proper Latin words. (00:09:50)