If you had said that this is a commode use in a normal house, then Japan is way ahead than UK. You should see public toilets in the UK, so dirty, smelly etc.. charging public toilets are at least a bit cleaner.
Hi dear , When it comes to Japan's public toilets or toilets in homes, it's safe to say that they are world standard, extremely clean and also boast technological advancements.In Japan, never charge for public toilets . And, important thing is, people who use toilets, really support to keep public toilets clean. Thank you for watching and sharing your thoughts ! 🤗❤️