Duolingo™ isn't only a beneficial resource for those interested in learn a new language. It also has gained popularity among language hobbyists. However, sadly, it seems that even this cherished platform also falls victim to the notorious Rule 34 phenomenon.
Many have discovered that Duolingo™ + rule 34 fusion are out there. It might come as a surprise, but evidently, there are enthusiast-created artworks based on characters from Duolingo which adhere to the infamous principle stating that "if it exists, there is porn of it."