Happy Seven はっぴぃセブン

Alternative Name: 欢乐七福娘 (Huān Lè Qī Fú Niáng)

Genre: Action, Comedy, Drama, Magic, Romance, Magical Girl, Harem,        

              Fantasy, Transformation

Description: 

Amano Sakogami is a girl who has an unnatural amount of bad luck. One day, she stumbles into the clubroom of the Better Fortune Research Organization, which consists of a boy and seven other girls who secretly use the power of the luck deities to fight against the Magatsugami, monsters who can affect a person's luck & well-being. Amano soon becomes the club's manager, and joins the club in their fight against the Magatsugami and their controller, Kukitomoe.

Episode: 13 + 7 Special

Original Run
Series: October 2, 2005 – December 25, 2005
Special: January 17, 2006 – July 28, 2006

Studio: Studio Hibari

List of Songs (directly to CrimNight Muse Garden)

1. Akiramenaide                               [Opening]

2. Funny Girl                                 [First Ending]

3. Tomoranai Ame                   [Second Ending]

Happy Seven Character Song
1. Let's Go
2. FRIENDS
3. Kimi ga Kureta Takaramono
4. Flavor of Summer                    
5. Loneliness
6. Happy Seven
7. Kiseki
8. Over the Rainbow
9. Kokoro to Kokoro
10. Refrain

Manga: 

1. Ganso Happy Seven

Published: July 26, 2006 – August 25, 2007

Volume: 2

2. Gakuen Happy Seven
Published: May 26, 2005 – May 26, 2006

Volume: 2

Light Novel

1. Happy Seven

Published: November 2001 – January 2003

Volume: 6

2. Shin Happy Seven

Published: April 2003 – December 2004

Volume: 9

3. Gakuen Happy Seven

Published: May 25, 2005 – November 2005

Volume: 3

4. Happy Seven: Final Season

Published: June 2006 – March 25, 2009

Volume: 3

Here is the preview: