Ryuuji Takasu, despite his humble personality, has eyes that make him look like an intimidating delinquent. Socially isolated he has only one close friend, Yusaku Kitamura, who happens to be on the student council with the girl he has a crush on, Minori Kushieda.
Taiga Aisaka, good friend of Minori, is known as the palm-sized tiger, 4'9" with a feisty temper unfitting of her doll-like features. In a chance mix-up, Ryuuji discovers her crush on his friend, and she of his feelings to Minori. So they make a deal: To help each other in their secret crushes. But will this really work?... And what of the budding rumors about them?