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ハッピー♥7 (Romaji: Happy 7) was one of the three Hello! Project shuffle units formed in 2002, along with Sexy 8 and Odoru 11. They released the single 幸せビーム！好き好きビーム！ (Romaji: Shiawase Beam! Suki Suki Beam!; English: Happy Beam! Love Love Beam!).