In 2001, the groups were rearranged under the theme "party", with the three groups , , and . All groups released their singles on July 4, 2001, with San-nin Matsuri's single "Chu! Natsu Party" charting the highest at #5 on the Oricon Weekly Singles Charts. In 2002, the groups were rearranged under the theme "happiness", with the three groups , , and . All groups released their singles on July 3, 2002, with Sexy 8's single "Shiawase Desu ka?" charting the highest at #2 on the Oricon Weekly Singles Charts.
