(C66) [Yamamoto J.K (Yamamoto Yoshifumi)] POWER 7 CDver1.0 (ONE PIECE)

(CR26) [Studio Wallaby (Kura Oh, Niiruma Kenji, Takana Yu-ki)] SECRET FILE 003 -Get Ready Go- (Starship Girl Yamamoto Yohko)

Unfair

(C56) [JIBAKU-SYSTEM (Kimidori Iro)] Kagetsu Keiryousai (Starship Girl Yamamoto Yohko)

[Meirei Denpa (Hariken Hanna, Yamamoto J.K)] Meirei Denpa Jinkoutouseki (Various)

[Yamamoto Yoshifumi] Katei Kyoushi Higyaku no Yuuwaku - Private teacher series part2

Love Me Right

[Yamamoto Yoshifumi] Katei Kyoushi Higyaku no Yuuwaku - Private teacher series part2 Ch. 1 [English]

(CR26) [Studio Wallaby (Various)] SECRET FILE 003 (Starship Girl Yamamoto Yohko)

(C62) [Yamamoto J.K (Yamamoto Yoshifumi)] POWER 5 (ONE PIECE)