This also usually applies to bank accounts, they have a character limit of around 16 characters for the whole name in most banks. Of course it's not explicited

This also usually applies to bank accounts, they have a character limit of around 16 characters for the whole name in most banks. Of course it's not explicited in most places as 16 chars for a standard Japanese name is an exception, and some applications will silently cut when sending to their backend. It's as fun as you can imagine it to be.