[Matsumoto Drill Kenkyuujo (Drill Eternal, NAGANOON, Nasu)] Houkago ○○ Time (K-ON!) [Digital] Hentai Porn [松本ドリル研究所 (ドリルエターナル、ながの～ん、なす)] 放課後○○タイム (けいおん!) [DL版]

(C88) [Matsumoto Drill Kenkyuujo (Naganoon, Kazumi Yoshiyuki)] Hare Tokidoki Teekyuu Kai (Teekyuu)

(Toramatsuri2010) [Matumoto Drill Laboratory] Houkago ○○ Time (K-ON!) [English] [Chocolate]

(Toramatsuri2010) [Matumoto Drill Laboratory (Drill Eternal, NAGANOON)] Houkago ○○ Time (K-ON!) [English] [Chocolate] [Decensored]

(C69) [Matsumoto Drill Laboratory (NAGANOON)] Yuzupon (ToHeart 2)

(C73) [NAGANOON (Matumoto Drill Kenkyuujo)] Kono Sekai ni Kami wa inai (Gundam 00) [Digital]

[Matumoto Drill Kenkyuujo (Drill Eternal)] Taichou Pinch de Arimasu yo (ToHeart 2)

(COMIC1☆3) [Matsumoto Drill Kenkyuujo (Various)] TH2 Soushuuhen (ToHeart2)

(C67) [Matsumoto Drill Kenkyuujo (NAGANOON, Nasu)] DRILL IMPULSE (Mobile Suit Gundam SEED)

[Matsumoto Drill Kenkyuujo (Naganoon, Kazumi Yoshiyuki, Nasu)] 15513-kaime no Nagato Yuki (The Melancholy of Haruhi Suzumiya) [Digital]

(CR36) [Matsumoto Drill Kenkyuujo (NAGANOON, Nasu)] GC -Garbage Collection-