Does anyone remember Aa! or ZYX? If you don't, here's what they are
Basically right after 6th generation joined, they made two groups, mixed with Morning Musume and H!P Kids.
Aa! released one single, and its members were Tanaka Reina, Suzuki Airi and Natsuyaki Miyabi. And the single was really good.
Here's a
linkZYX (pronounced zicks) was the first group to feature H!P Kids, and its members were Yaguchi Mari, Umeda Erika, Shimizu Saki, Yajima Maimi, Tsugunaga Momoko and Murakami Megumi. They released two singles, called 'Iku ZYX FLY HIGH" and "Shiroi Tokyo," before they disbanded.