Yini, a small and slim sweet girl from an ordinary background, who is trusting, pure, and innocent, has a crush on Jeon. She has been madly in love with him since she first met him, and hopes one day he will fall in love with her too. Yini is optimistic and always believes that if you wish hard enough, anything is possible. But lately Jeon has been neglecting her, acting cold and uncaring, and she is heartbroken.