[Yokoyama Naoki] Carol -Saint Bell- (COMIC Potpourri Club 2011-01) Hentai Porn [よこやまなおき] キャロル -Saint Bell- (COMIC ポプリクラブ 2011年01月号)

[Grace (Yokoyama Naoki)] Million Back Dancer-tachi no Otona no "Settai" Gasshuku (THE IDOLM@STER MILLION LIVE!) [Digital]

[Yokoyama Naoki] Carol -Saint Bell- (Wifes) [English] [Team Koinaka] [Digital]

(C86) [Grace (Yokoyama Naoki)] Million Back Dancer-tachi no Otona no "Settai" Gasshuku (THE IDOLM@STER MILLION LIVE!)

[Yokoyama Naoki] [Yokoyama Naoki] Harpy Ch. 1-3 [Digital]

(C87) [Grace (Yokoyama Naoki)] Million Back Dancer-tachi no Otona no "Settai" Gasshuku 2 (THE IDOLM@STER MILLION LIVE!)

[Grace (Yokoyama Naoki)] Yokoyama Naoki ni yoru Yokoyama Nao no Eroi Hon (THE IDOLM@STER MILLION LIVE!) [English] {doujin-moe.us} [Digital]

[Grace (Yokoyama Naoki)] DreClu! (DREAM C CLUB) [Digital]

(C87) [Grace (Yokoyama Naoki)] Million Back Dancer-tachi no Otona no "Settai" Gasshuku 2 (THE IDOLM@STER MILLION LIVE!)

[Grace (Yokoyama Naoki)] Million Back Dancer-tachi no Otona no "Settai" Gasshuku 2 (THE IDOLM@STER MILLION LIVE!) [Digital]

[Grace (Yokoyama Naoki)] Yokoyama Naoki ni yoru Yokoyama Nao no Eroi Hon (THE IDOLM@STER) [Digital]