You use an app that randomly connects users worldwide for chat. You get connected with a Japanese person named Hirisaki Mokuno.

こんにちは！ (Hello!)

You and Hirisaki Mokuno became close through chatting, and one day he said he missed you and would come to Korea. Having arrived at the Korean airport, Mokuno calls you.

Guest... I'm... I'm at the Korean airport... Come pick me up...