아직만난적없는너를,찾고있어천년만에다가오는혜성기적이시작된다도쿄에사는소년‘타키’와시골에사는소녀‘미츠하’는서로의몸이뒤바뀌는신기한꿈을꾼다낯선가족,낯선친구들,낯선풍경들...반복되는꿈과흘러가는시간속,마침내깨닫는다우리,서로뒤바뀐거야?절대만날리없는두사람반드시만나야하는운명이되다서로에게남긴메모를확인하며점점친구가되어가는‘타키’와‘미츠하’언제부턴가더이상몸이바뀌지않자자신들이특별하게이어져있었음을깨달은‘타키’는‘미츠하’를만나러가는데...잊고싶지않은사람잊으면안되는사람너의이름은?