Natsumura Isuke is an alias of Keisuke Nakamura (中村圭佑) for adult games/anime.
Amanee!
(Ryouichi)
Real Eroge Situation! The Animation
(Nagato Shinobu (voice))
You Belong to Me – An Ultra-Sado Girlfriend & Her Ultra-Masochistic Boyfriend
(Minato (Voice))
Junjou Shoujo Et Cetera
(Eizi (voice))
Fault!!
(Sugiyama Shuuichi (voice))
First Time with a Married Woman
(Tomoya Tagawa (voice))
Fechikano!
(Shuu)
Soul Insert
(Takahashi Naoto (voice))
Chichi-iro Toiki
(Takashi (voice))
Sex Code of the Samurai
(Hori Monjuurou (voice))
The Right Side and the Wrong Side of Honor Student Ayaka
(Endou)
Nama Lo Re The Animation
(Taketo Yamazaki (voice))
Fiance is Quartet of Elder Sisters
(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))
She's a Pervert and She's All Mine! - The Animation
(Yonezu)
Shoujo Ramune
(Tenshu Dagashiya (voice))
Fuzzy Lips
(Kurosawa)
Kimi Omou Koi
(Narumi / Shin’ichirou (voice))
M-ogui: Last Order
(Tamura)
I Love Sex, I Love It, I Love That Girl From My Class
(Sano (voice))
Lovely Heart
(Itsuki (voice))
Reverse Witch Trial: Judged By a Slutty Witch
(Сакаэ Айба (озвучка))
Immoral Routine The Animation
(Naoki (voice))
I'll Have Your Semen!
(Kanzaki(as Isuke Natsumura))
Milf Assault Mode
(Ryouichi)