Not a single day this time a good mood!

Not a single day this time a good mood! Not A Single Day Sunny day in a good mood,haah a sunny day,a good mood,a perfect feeling Not a single day 是谁唱的? not a single day是谁唱得 找歌词哈~not a single day Not A Single Day这首歌歌词 not a single day是谁的歌 Maintaining a good mood Pack a good mood, Every day I have a good time in this school.