Go Girl ~Koi no Victory~ (Go Girl〜恋のヴィクトリー〜; Go Girl ~Love's Victory~) is the 20th single by Morning Musume. It was released November 6, 2003 and sold a total of 145,340 copies, spent 15 weeks in the Japanese top 200 and peaked at number four. The title track is used as the ending theme song for the drama VICTORY! ~Futto Girls no Seishun~ and as a theme song for Gatas Brilhantes H.P. The single was released in both limited and regular editions. The song appears on the album Best! Morning Musume 2 as track #1 and on the album Morning Musume ALL SINGLES COMPLETE ~10th ANNIVERSARY~ as track #3 on disc 2.