Tanto Idol no Yokoyama Nao san no Oshiri ni Miryosareru Hon (IDOL STAR FESTIV@L 12) [超路地裏合衆国 (ミナカミリン)] 担当アイドルの横山奈緒さんのおしりに魅了される本 (アイドルマスター ミリオンライブ!)

(C86) [Grace (Yokoyama Naoki)] Million Back Dancer-tachi no Otona no "Settai" Gasshuku (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 2 (THE IDOLM@STER MILLION LIVE!) [Digital]

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

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

(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}

[蕩真] てんいおアンソロ寄稿 (IDOLiSH7) [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 (THE IDOLM@STER MILLION LIVE!) [Chinese] [脸肿汉化组] [Digital]

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