(C69) [Grace (Yokoyama Naoki)] Senkoro (Senkou no Ronde) Hentai (C69) [Grace (よこやまなおき)] 旋殺 (旋光の輪舞)

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

(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 (THE IDOLM@STER MILLION LIVE!) [Digital]

[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 MILLION LIVE!) [English] {doujin-moe.us} [Digital]

[Grace (Yokoyama Naoki)] Ran KING ~Tama Sentsu Koromo~ (THE IDOLM@STER, THE IDOLM@STER CINDERELLA GIRLS) [Digital]

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

(C86) [Grace (Yokoyama Naoki)] Million Back Dancer-tachi no Otona no "Settai" Gasshuku | Million Back Dancers Adult "Entertainment" Camp (THE IDOLM@STER MILLION LIVE!) [English] {doujin-moe.us}

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

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