I. Introduction
Happy♡7 (ハッピー♡7) was one of the three Hello! Project shuffle units formed in 2002, along with Sexy 8 and Odoru♡11. Happy♡7 was the most successful of the 2002 shuffle units.
II. Discography
III. Singles
[2002.07.03] Shiawase Beam! Suki Suki Beam! (幸せビーム！好き好きビ−ム！; Happy Beam! Love Love Beam!)
IIII. Compilations / Other
[2002.12.10] Hello! Project - 2003 Nendo Hawaii Genteiban Hello! Project Best 1 (#2 Shiawase Beam! Suki Suki Beam!)
[2002.12.18] Hello! Project - Petit Best 3 (#1 Shiawase Beam! Suki Suki Beam!)
[2008.12.10] Hello! Project - Hello! Project Shuffle Units Mega Best (#7 Shiawase Beam! Suki Suki Beam!)
IIIII. DVDs
[2002.08.21] Single V "Shiawase Beam! Suki Suki Beam" "Shiawase Desu ka?" "Shiawase Kyouryuu Ondo"
