Yaguchi Mari Seishun Boku Release Date: March 25, 2009
Yaguchi Mari's debut solo single is a collaboration with the TV show Quiz Hexagon, which has brought us the popular groups Pabo and Shuchishin. This will be the first solo release from Mari. The single is also a collaboration with Airband, and includes a randomly chosen photo card of either Mari or Airband. Official website for the single: http://www.up-front-works.jp/seishun/
Who is your favourite 15th gen. Momusu member? 
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