Doujinshi
[Grace (Yokoyama Naoki)] UmiTra! Umimi to Issho ni Nantai Sexercise! (THE IDOLM@STER MILLION LIVE!) [Digital]
Doujinshi
[Grace (Yokoyama Naoki)] Yokoyama Naoki ni yoru Yokoyama Nao no Eroi Hon (THE IDOLM@STER MILLION LIVE!) [Korean] [Digital]
Doujinshi
(C93) [Grace (Yokoyama Naoki)] Saimin Smell de Pandemic! Shiki Nyan Nyau! | 최면 스멜로 판데믹! 시키냥 나우! (THE IDOLM@STER CINDERELLA GIRLS) [Korean] [달고나달구나]
Doujinshi
(C88) [Grace (Yokoyama Naoki)] "Settai" Gasshuku!? Love Generation de Rin-chan Now! (THE IDOLM@STER CINDERELLA GIRLS)
Doujinshi
[Grace (Yokoyama Naoki)] Million Back Dancer-tachi no Otona no "Settai" Gasshuku 2 | 밀리언 백댄서들의 어른의 "접대" 합숙 2 (THE IDOLM@STER MILLION LIVE!) [Korean] [Sally] [Digital]
Doujinshi
(C91) [Grace (Yokoyama Naoki)] Saimin Smell de LiPPStick ☆ Shiki-nyan Nyau! (THE IDOLM@STER CINDERELLA GIRLS)
Doujinshi
(C88) [Grace (Yokoyama Naoki)] Nama ssu ka!? Everyday! ~Honban chuu ni Honban Special~ | 생생함까? 에브리데이! ~본방 중에 본방 스페셜~ (THE IDOLM@STER) [Korean]
Doujinshi
[Grace (Yokoyama Naoki)] Ran KING ~Tama Sentsu Koromo~ (THE IDOLM@STER, THE IDOLM@STER CINDERELLA GIRLS) [Korean] [Digital]
Doujinshi
[Grace (Yokoyama Naoki)] Koto Megu Elena no "Otona no Settai Gasshuku" ni Try Star (The IDOLM@STER MILLION LIVE!) [Digital]
Doujinshi
(C86) [Grace (Yokoyama Naoki)] Million Back Dancer-tachi no Otona no "Settai" Gasshuku (THE IDOLM@STER MILLION LIVE!)
Doujinshi
(C87) [Grace (Yokoyama Naoki)] Onna Kishi de "Kuh..." na Rin-chan Now! (THE IDOLM@STER CINDERELLA GIRLS) [English] {doujin-moe.us}
Doujinshi
(C88) [Grace (Yokoyama Naoki)] Nama ssu ka!? Everyday! -Million Studio- (THE IDOLM@STER MILLION LIVE!)
Doujinshi
(C91) [Grace (Yokoyama Naoki)] UmiTra! Umimi to Issho ni Nantai Sexercise! (THE IDOLM@STER MILLION LIVE!) [Korean]
Doujinshi
[Grace (Yokoyama Naoki)] Ran KING ~Tama Sentsu Koromo~ (THE IDOLM@STER, THE IDOLM@STER CINDERELLA GIRLS) [Korean] [Digital]
Doujinshi
(C92) [Grace (Yokoyama Naoki)] Shibuya no Rin-chan Now 10th ~YourName~ (THE IDOLM@STER CINDERELLA GIRLS)
Doujinshi
(C86) [Grace (Yokoyama Naoki)] Cinderella No.1 na Rin-chan Now! (THE iDOLM@STER CINDERELLA GIRLS)
Doujinshi
(C89) [Grace (Yokoyama Naoki)] Project "Settai Ryokou" Krone de Rin-chan Now! (THE IDOLM@STER CINDERELLA GIRLS)
