Happy 7 (ハッピー♥7) was one of three special "shuffle units" from Hello! Project in the summer of 2002. The shuffle theme was "happiness" and Happy 7 was the most upbeat, perky group of the three. They released only one single, "Shiawase Beam! Suki Suki Beam!" (幸せビーム！好き好きビーム！; "Happy Beam! Love Love Beam!") which included their version of a c/w song that was shared by all three shuffles. True to their name, they had seven members selected from Morning Musume (Ai Kago Read more on Last.fm