Background from CD Single
Scans by Nipponsei
http://nipponsei.minglong.org/

Banner
http://www.animepaper.net/gallery/scans/Happiness!/item85218/

Video & Lyrics from Shiawase Fansubs.
http://a.scarywater.net/shiawase/
- Didn't fine a official website on their group. So, settled with this :D

Lyrics double check 2nd resource: www.gendou.com
- due to the policy there on got-link to songs.