A story of true friendship...
and a story of puppy love...

Aikos dog and best friend, Spank, falls in love at first sight, with a cute girl dog named Anna. Annas owner, Kakeru, is a transfer student and a classmate of Aikos, and just as their feisty pets fall for each other, Aiko and Kakeru themselves begin to harbor some feelings for one another after a series of silly quarrels.
Just when Aiko and Kakerus relationship is getting closer and closer, Kakeru is offered an opportunity of a lifetime to go overseas to study the violin. Kakeru is unable to tell this news to Aiko for fear of breaking her heart. Aiko eventually learns this news from Kakerus mother, and, after overcoming her sorrow, Aiko conveys to Kakeru how happy she is for him and for a bit more time together that they have left. They will make unforgettable memories that they will cherish forever.