Inexpressive Kashiwada and Expressive Oota

Despite his poor score in the class test, Oota is still playful and looking for something new. Soon, he turns his attention toward a classmate, Kashiwada, who is a calm and blank person. To see her reactions and make her laugh, Oota tries different tricks, but all fail. Oota is famous as a class clown, and his teacher insults him because his face never hides anything. Oota is emotional and expressive, while Kashiwada never expresses her emotions, and no one knows what she is thinking. Though both are opposite personalities, there start a special bond starts between them. Over time, they start to become curious about how two different people fall for each other.