据说，从同一个卵子产生的同卵双胞胎将共享一条纽带，就好像他们是同一个人一样。但不是同卵双胞胎“Sprite”和“zee”。尽管从出生起就走着和运动员一样的路线，但两人都想成为唯一！　　It is said that identical twins who are produced from the same egg will share a bond as if they were the same person. But not with "Sprite" and "Zee", the identical twins. Despite following the same route as an athlete from birth, both want to be the only one!

　　Day（小面包饰）和Night（Dew饰）分别出生在闰日（2.29）的正午和午夜，他们是被诅咒之人，每四年一次的闰日不仅标志着自己的诞生，也预示着所爱之人的死亡。

一部段落式青春爱情片，几对青春少年少女演绎几个不同口味的爱情故事。