Yukio Haruyama is an elementary school student. He has an uncle that teaches philosophy part-time at an university. His uncle leeches off his family. The uncle then goes on a blind date and falls in love with beautiful Eri Inaba. She is a fourth generation Japanese living in Hawaii. Sometime later, Eri goes back to Hawaii to take over a coffee farm left behind by her recently deceased grandmother. Yukio and his uncle travel to Hawaii to see Eri