Inexpressive Kashiwada and Expressive Oota

With a smile, Oota stands up to look for other entertainment after performing poorly on a class test. He becomes interested in Kashiwada, a calm, quiet, and inexpressive classmate. He makes various plans to make her laugh and react, but all the tricks go wrong.

As a class joker, Oota always gets punished by his teacher, who says his face expresses all his thoughts and reactions. Kashiwada is a mysterious girl who hides herself perfectly.

Soon, they both develop a special bond with each other despite their differences. Their relationship raises a question of whether two opposite people can really attract?