Akemi Kuran, the Snow Arcobaleno. But she didn't turned into an infant. She didn't have short lifespan like the Sky Arcobaleno. But her curse was different. She can't express feelings. She is Expressionless. Immortal. But her immortality will only last 30 years. So when she reach 30, she will instantly die. To break that curse, someone should be able to make her smile. A true smile. Not those ones that were fake. Will they be able to save her, in the right time? Who will?