Kasai Tomomi - Enjoy your life !
Tomomi Kasai - Kietai Kurai (キエタイクライ)
AKB48 (Ohori Megumi, Kasai Tomomi) - Oshibe to meshibe to yoru no chouchou
Kasai Tomomi - Dakishimeraretara (off vocal)
AKB48 (Kasai Tomomi & Ohori Megumi) - Oshibe to meshibe to yoru no chouchou
Kasai Tomomi - Boku No Summertime Blues
AKB48 - Junjou Shugi (Saitama Super Arena ver.) Takahashi Minami, Kasai Tomomi, Matsui Rena ver