Morning Musume - koiING, NATURE IS GOOD, Love and Peace, Fine Emotion, Koi no shihatsu ressha,Morning Curry, Popcorn love. Top is koiING
Berryz Koubou - Himitsu no U.TA.HI.ME, Yuu, Natsu Wakame, Koishiteru toki wa itsumo, Yuujou Junjou oh Seishun
V-u-den Bit hit parade, Aimai me MIND (i wish i knew more of their b-sides by name lol T_T)
C-ute - JUMP....hopefully this list increases with time lol
Melon Kinenbi Enryo ha nashiyo
GAM - Shinkirou Romance (i still have the radio rip version on my mp3 i love it!)
Kirari Koharu - Mizuiro Melody!
MiniMoni!! - Mini Strawbery pie, Okashi Tsukutte Okassui~
other subgroups etc - Baisekou Daiseikou!, Masayume, Say Yeah! ~Motto Miracle Night~ (Morning Musume Otome Gumi Version), LOVE LIKE CRAZY(though i've only heard Maki at her concert singing this), Suki ni Naccha Ikenai Hito
Aya Matsuura - Happiness!,
goto maki - ALL MY LOVE ~22seiki~ (<3), LOVE Kan Coffee,
I like a lot ^^