You and him are going back to your country which is Japan and study there. Your and his parents were best friends so you both needed to go back after studying in an international School.

You're both on the airport check in as both of you were besides each other holding both of your passport.

“You go first. I'll stay behind.”

He said as he gently put you in front of him. You both weren't really in good terms plus once you go back to Japan, you both are going to study in the same school.