No one else will probably care about this, but I find it interesting: not counting JunJun and Linlin, out of the current line-up Aika is the only member who has had a solo line in each of the singles released since she joined. The only other members in MoMusu's history to do this were Asuka Fukuda (4 singles) and Maki Goto (9 singles). Though, of course, Aika hasn't graduated yet and she may not get a solo in the new single, but whatever =b
Here's how everyone measured up:
Yuko Nakazawa - 11 singles, 6 with solo lines
Aya Ishiguro - 7 singles, 3 with solo lines
Kaori Iida - 25 singles, 16 with solo lines
Natsumi Abe - 21 singles, 18 with solo lines
Asuka Fukuda - 4 singles, 4 with solo lines
Sayaka Ichii - 8 singles, 2 with solo lines
Mari Yaguchi - 25 singles, 18 with solo lines
Kei Yasuda - 17 singles, 9 with solo lines
Maki Goto - 9 singles, 9 with solo lines
Rika Ishikawa - 18 singles, 15 with solo lines
Hitomi Yoshizawa - 25 singles, 20 with solo lines
Nozomi Tsuji - 15 singles, 7 with solo lines
Ai Kago - 15 singles, 10 with solo lines
Ai Takahashi - 22 singles, 19 with solo lines
Asami Konno - 18 singles, 9 with solo lines
Makoto Ogawa - 18 singles, 10 with solo lines
Risa Niigaki - 22 singles, 17 with solo lines
Miki Fujimoto - 15 singles, 14 with solo lines
Eri Kamei - 16 singles, 11 with solo lines
Sayumi Michishige - 16 singles, 7 with solo lines
Reina Tanaka - 16 singles, 14 with solo lines
Koharu Kusumi - 8 singles, 7 with solo lines
Aika Mitsui - 3 singles, 3 with solo lines
JunJun - 1 single, 1 with solo lines
LinLin - 1 single, 1 with solo lines