Doujinshi
(C92) [Grace (Yokoyama Naoki)] Koto Megu Elena no "Otona no Settai Gasshuku" ni Try Star (The IDOLM@STER MILLION LIVE!)
Doujinshi
(C89) [Grace (Yokoyama Naoki)] Rika & Miria no Halloween Itazura Bon (THE IDOLM@STER CINDERELLA GIRLS)
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)] Tomotore! Tomoka-sama to Isshoni Seinaru Training (THE IDOLM@STER MILLION LIVE!)
Doujinshi
[Grace (Yokoyama Naoki)] Karen to Nao to Rin-chan Now! | 카렌과 나오와 린쨩 Now! (THE IDOLM@STER CINDERELLA GIRLS) [Digital] [Korean]
Doujinshi
[Grace (Yokoyama Naoki)] Million Back Dancer-tachi no Otona no "Settai" Gasshuku (THE IDOLM@STER MILLION LIVE!) [Digital]
