Miyuki, a single mother and nursery teacher, meets Sri Lankan Kumara while visiting Tohoku as a disaster volunteer. A year later, the two of them who fulfilled a fateful reunion are gradually attracted to each other. Straightforward and charming, Kumara quickly becomes friends with Miyuki's daughter, Maya, and eventually, the three begin to live together like a family. Miyuki and Kumara exchange promises of marriage, but it is short-lived happiness.