Just outside of the city of Tokyo, there is large shopping center called "Tiny Tiny Happy" (TaniHapi for short) where a man named Tetsu works at a commodity control office. Two years ago, he married Misaki, a woman who works at a glasses shop in the same shopping center. The novel focuses on the romance of not only Tetsu and Misaki's relationship, but also on various other couples connected to Tiny Tiny Happy.
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