(C75) [Matumoto Drill Kenkyuujo (Nasu)] Defrag. 2 (Original) Hentai Porn (C75) [松本ドリル研究所 (かずみ義幸とかながの～ん、なす)] でふらぐⅡ (オリジナル)

(C77) [Matumoto Drill Kenkyuujo (Naganoon, Nasu)] Manaka de Iku no? (ToHeart 2)

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

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

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

[Benii Kenkyuujo] Jitsubo Dairi Shussan~Shirakawa Yuuka no Baai~Zenpen

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

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

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

[Matsumoto Drill Kenkyuujo (Drill Eternal, NAGANOON, Nasu)] Houkago ○○ Time (K-ON!) [Digital]

(C75) [Matumoto Drill Kenkyuujo (Naganoon, Nasu)] Defrag. 2