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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.
- Kago Ai (加護亜依) (Morning Musume)
- Takahashi Ai (高橋愛) (Morning Musume)
- Konno Asami (小川麻琴) (Morning Musume)
- Niigaki Risa (新垣里沙) (Morning Musume)
- Mika (ミカ) (Coconuts Musume)
- Asami (あさみ) (Country Musume)
- Saito Hitomi (斉藤瞳) (Melon Kinenbi)
- [2002.07.03] Shiawase Beam! Suki Suki Beam! (幸せビーム！好き好きビ−ム！; Happy Beam! Love Love Beam!)
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!)
- Hello! Project Official Website: Shuffle Units Discography page