There are plenty of difficulties in learning Japanese, from the thousands of kanji characters you have to memorize to the fact that the language doesn’t have a future tense. Pronunciation, though, isn’t that big of a hurdle. Japanese contains only 47 syllables to master, which may sound like a lot, but is in actuality pretty paltry compared to most other languages.
One of the biggest effects this limited pronunciation repertoire has is that Japanese is filled with homonyms. For example, kyoushi could mean either “a teacher” or “death by way of insanity.” Where there are words that sound alike, there are puns, and now where there are puns, there’s the president of Domino’s Pizza Japan.