[Grace (Yokoyama Naoki)] Yokoyama Naoki ni yoru Yokoyama Nao no Eroi Hon (THE IDOLM@STER) [Digital]
[Yokoyama Naoki] Siren -Kyousei Saimin Keitai- [English] [Doujins.com] [Digital]
[Yokoyama Naoki] Tauros ~Saimin Hitozuma Netori~ | Tauros ~Hypnotism Wife NTR~ (COMIC Grape Vol. 45) [English] [desudesu]
[Yokoyama Naoki] Harpy Ch. 2-3 [English] [desudesu] [Digital]
[Yokoyama Naoki] Seiren ~Gakuen Saimin Keitai~ (COMIC Grape Vol. 1) [English] {Cutegirls} [Digital]
[Yokoyama Naoki] [Yokoyama Naoki] Harpy Ch. 1-3 [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)] Project "Settai Ryokou" Krone de Rin-chan Now! (THE IDOLM@STER CINDERELLA GIRLS) [Digital]
[Grace (Yokoyama Naoki)] UmiTra! Umimi to Issho ni Nantai Sexercise! (THE IDOLM@STER MILLION LIVE!) [Digital]
[Yokoyama Naoki] Wifes (Wifes) [English] [Team Koinaka] [Digital]