Yukio Haruyama (Riku Ohnishi) is an elementary college pupil. He has an uncle (Ryuhei Matsuda) that teaches philosophy part-time at an college. His uncle leeches off his household. The uncle then goes on a blind date and falls in love with stunning Eri Inaba. She is a fourth technology Japanese residing in Hawaii. Someday later, Eri goes again to Hawaii to take over a espresso farm left behind by her not too long ago deceased grandmother. Yukio and his uncle journey to Hawaii to see Eri.