外国人専用下宿で寮母を務める夏純は、庭先に迷い込んだ記憶喪失の少年・ハルを保護することになった。しかしハルの出自には謎が多く、住人含め誰もハルの記憶の手がかりを掴めなかった。そこで夏純は提案する。「世界中の色々な料理を食べさせれば、ハルの故郷の味が見つかるかもしれない！」――この物語は、記憶を取り戻すために世界中のグルメに舌鼓を打つ少年の記録である。
Natsumi, a matron at a boarding house for foreigners, is assigned to take care of Haru, a boy with amnesia who wandered into her yard. However, Haru’s origins are a mystery, and no one, including the residents, can find any clues to his memory. So Natsumi makes a proposal. “If we feed him different cuisines from all over the world, he may be able to find a taste of his homeland!” –This story is a record of a boy who tastes gourmet foods from all over the world in order to regain his memory.
