Your Name in Japanese
Japan Has No Field for Your Middle Name
Japanese forms have two name fields and your passport has three names. Where the middle name goes, when to drop it, and when dropping it breaks a booking.
Japan Know How archive
given name
Your Name in Japanese
Surname First or Last: What to Write Where
Japan flipped its own romanized name order in January 2020. What that means for the order you write, and where a swapped name creates a mismatch.