Here's what they need to give you: Proof of Relationship. A letter from the person to be visited explaining their relationship to you plus other documents such as pictures, passport copies, etc. Invitation letter from the person you will visit.
People Also Ask
What is the most friendly city in Japan? Osaka is known to house the friendliest and most outgoing residents. While most locals may not be fluent in English, they make up for it with their warmth.