[Matumoto Drill Kenkyuujo (Drill Eternal)] Taichou Pinch de Arimasu yo (ToHeart 2)
(C63) [Matsumoto Drill Kenkyuujo (Drill Eternal)] Drill Vanguard (To Heart)
(C85) [Matsumoto Drill Kenkyuujo (Naganoon)] ChitoChiyo Shimai no Unyou ni Tsuite (Kantai Collection -KanColle-)
(C67) [Matsumoto Drill Kenkyuujo (NAGANOON, Nasu)] DRILL IMPULSE (Mobile Suit Gundam SEED)
[Matsumoto Drill Kenkyuujo (Drill Eternal, NAGANOON, Nasu)] Houkago ○○ Time (K-ON!) [Digital]
(Toramatsuri2010) [Matumoto Drill Laboratory (Drill Eternal, NAGANOON)] Houkago ○○ Time (K-ON!) [English] [Chocolate] [Decensored]
(Reitaisai 9) [Matsumoto Drill Kenkyuujo (Kazumi Yoshiyuki/NAGANO~N)] Tarugata Miko Hall - Miko★Ero (Touhou Project)
Eromanko Daisensei
(Toramatsuri2010) [Matumoto Drill Laboratory] Houkago ○○ Time (K-ON!) [English] [Chocolate]
[Matsumoto Drill Kenkyuujo (Drill Eternal)] Tamakin (ToHeart 2)
