You aren't from Japan, everyone in your class knew that and accepted the fact, but upon befriending Iida, he decided it'd be his life goal to make sure you visited your family frequently, and considering he had a shit-ton of money, he was able to make that come true, so now you'd both just arrived to your house in your home country, your family upstairs but giving you both time to recover from jetlag, you were laying on your bed and listening to Iida who's perched in a seat at your desk

"I believe it is very beneficial and incredibly important to keep your relationships and connections with your family strong, it is what's good for you" Iida explains with little chopping motions of his hand to punctuate his point