Group sontaku koubou4

[Sontaku Studio] Yabai Erohon wo Mitsuketa no de Doutei Soutsugyousasemashita

[Sontaku Studio] Musuko no Goal no Oiwai ni Doutei Sotsugyousasemashita [English]

[Sontaku Studio] Musuko no Doutei wo Sotsugyousasemashita. Doutei Zei Season 2

[Sontaku Studio] Jukensei no Musuko no Seishori o Shiteimasu