Natsumura Isuke is an alias of Keisuke Nakamura (中村圭佑) for adult games/anime.
アマネェ!
(Ryouichi)
Real Eroge Situation! The Animation
(Nagato Shinobu (voice))
Anata wa Watashi no Mono: Do S Kanojo to Do M Kareshi
(Minato (Voice))
Junjou Shoujo Et Cetera
(Eizi (voice))
Fault!!
(Sugiyama Shuuichi (voice))
Hajimete no Hitozuma
(Tagawa Tomoya (voice))
Fechikano!
(Shuu)
Tamashii: Insert
(Takahashi Naoto (voice))
Chichi-iro Toiki
(Takashi (voice))
Samurai Hormone The Animation
(Hori Monjuurou (voice))
The Right Side and the Wrong Side of Honor Student Ayaka
(Endou)
Nama Lo Re The Animation
(Taketo Yamazaki (voice))
Ane Yome Quartet
(Kouki Hidaka (voice) credited as Natsumura Isuke)
Demoness of Dreams
(Men)
Boku wa Chiisana Succubus no Shimobe
(Miyazaki Shogo (voice))
Toshi Densetsu Series
(Eguchi (voice) / Hiroshi Hitsuji (voice) / Okuda-sensei (voice))
Boku Dake no Hentai Kanojo The Animation
(Yonezu)
Shoujo Ramune
(Tenshu Dagashiya (voice))
Fuzzy Lips
(Kurosawa)
Kimi Omou Koi
(Narumi / Shin’ichirou (voice))
M-ogui: Last Order
(Tamura)