[Mental Specialist (Watanabe Yoshimasa)] D.Cup te Yuu ka Mushiro Suikappu 4 (D.C. ~da capo~) [めんたるスペシャリスト (わたなべよしまさ)] D.CUPてゆーかむしろスイカップ 4 (D.C.～ダ・カーポ～)

[Mental Specialist (Watanabe Yoshimasa)] Shikoshiko DL (Martian Successor Nadesico)

[Mental Specialist (Watanabe Yoshimasa)] Blue White (Xenosaga) [Digital]

[Mental Specialist] Welcome to Angel Mort! (Higurashi No Naku Koro Ni) Clothes Version

[Mental Specialist (Watanabe Yoshimasa)] Angel Mort e Youkoso! (Higurashi no Naku Koro ni)

[Mental Specialist] Welcome to Angel Mort! (Higurashi No Naku Koro Ni) Nude Version

[Mental Specialist (Watanabe Yoshimasa)] D.Cup te Yuu ka Mushiro Suikappu 3 (D.C. ~da capo~)

(C94) [Nyuu Koubou (Nyuu)] Oidemase!! 2-jigen Fuuzoku Gakuen Dai 2 Kukaku (Various) [English]

(C72) [Mental Specialist (Watanabe Yoshimasa)] D.Cup te Yuu ka Mushiro Suikappu 7 (D.C. ~da capo~)

[Mental Specialist (Watanabe Yoshimasa)] D.Cup te Yuu ka Mushiro Suikappu 2 (D.C. ~da capo~)

[Mental Specialist (Watanabe Yoshimasa)] D.Cup te Yuu ka Mushiro Suikappu 5 (Da Capo)