Released: October 19, 2011

白兔兒乖乖
把門兒開開
不開不開我不開
媽媽沒回來

白兔兒乖乖
把門兒開開
把門兒開開
不開不開我不開
媽媽沒回來

Na...小白兔兒真乖真乖
Na...大野狼他很壞很壞

媽媽不在大門不開
感覺會有危險喔
非常的危險喔

Na...小白兔兒真乖真乖
Na...路人甲他奇怪奇怪

要我單獨跟他約會
感覺會有危險喔
非常的危險喔

[Rap 1]:
不過一起打怪兩三回
幹嘛那麼快約要見面
約我去你家裡打Game聊天
參觀新的漫畫
收集的寶貝
雖然說遊戲裡
你是英雄很帥氣
現實生活裡
搞不好大野狼就是你

白兔兒乖乖
把門兒開開
不開不開我不開
媽媽沒回來

白兔兒乖乖

媽媽沒回來

Na...小白兔兒真乖真乖
Na...大野狼他很壞很壞

媽媽不在大門不開
感覺會有危險喔
非常的危險喔

Na...小白兔兒真乖真乖
Na...路人甲他奇怪奇怪

要我單獨跟他約會
怎麼可以

Rap2:
你微博的留言
在寫什麼看不懂
連我家的小狗看了都發抖
不懂為什麼
你的照片要梳油頭
你說長得像黑人加小豬
我覺得根本就是
扮成羊的大野狼

白兔兒乖乖

白兔兒乖乖
把門兒開開
不開不開我不開
媽媽沒回來

白兔兒乖乖

媽媽沒回來

Na...小白兔兒真乖真乖
Na...大野狼他很壞很壞

媽媽不在大門不開
感覺會有危險喔
非常的危險喔

Na...小白兔兒真乖真乖
Na...路人甲他奇怪奇怪

要我單獨跟他約會
怎麼可以

白兔兒乖乖

By2

BY2 consists of Singaporean twin sisters Miko (孫涵) and Yumi Bai (孫雨) who were born in Yio Chu Kang, Singapore on March 23, 1992— Miko is the eldest of the two while Yumi is the youngest. They are among the most internationally recognized Singaporean acts alongside the likes of JJ Lin and Stefanie Sun.

The twins had a passion for dance and music at a very young age, as they learned violin, piano, ballet, and many other styles of dancing such as Chinese traditional folk and ballet. As they grew older, they learned more modern forms of dance such as hip hop and street dance; their father was a driving force in nurturing the twins' career in music. However, he would pass away in 2007 before witnessing his daughters' debut and rise to stardom.

In 2007, they moved to Taiwan and joined Ocean Butterflies' Music Forest’s V Singer (“非常歌手”) training course at the age of 13 where they graduated with a “Best Costume Design” award and were granted a 10-year contract after being noticed by Billy Koh of Ocean Butterflies Music. Miko and Yumi were later sent to various countries in order to train and hone in their vocals and dancing skills.