The whole video is just Compilation of Servants Laughter
The only thing I want to say is: HAHAHAHAHA
Great Advice For Health: Watch or listen to this if/when you are feeling down , sad or unhappy XD IT HEALS YOU NO JK
Here's the song version: https://www.youtube.com/watch?v=7SxFdCpk0vI
RECOMMENDED!! MUST WATCH^
Credits to Original Uplaoder: http://www.bilibili.com/video/av8367870/
Thumbnail credits to respective owner,
Here's the link if you want the pic:
https://www.facebook.com/RandyAlterReviews/photos/a.182978398846384.1073741828.179782412499316/251266872017536/?type=3&theater