Groupkoubai gekka30

(CR30) [Koubai Gekka (Kouno Mizuho)] Jimeikin (Gunparade March)

(SC9) [Koubai Gekka (Kouno Mizuho)] amber doll (To Heart)

(C63) [Koubai Gekka (Kouno Binshiho)] Ii Koto Shimasho!! (Onegai Teacher)

(Mimiket 3) [Koubai Gekka (Kouno Mizuho)] Seppun to Juugeki (Gunparade March)

(CR31) [Koubai Gekka (Kouno Mizuho)] Natsu no Shizuku (Kimi ga Nozomu Eien)