Koharu Kusumi

Singles

1- Koi Kana [July 12, 2006]
2- Balalaika [October 25, 2006]
3- Happy [May 2, 2007]
4- Chance! [November 7, 2007]
5- Papancake [July 16, 2008]
6- Happy Happy Sunday! [February 4, 2009]