Ryuta Amazume
Entered Waseda University in 1994. His real family name is Nakagawa.
Mangaography

Nana and Kaoru
Ryuta Amazume

Happy Negative Marriage
Ryuta Amazume

Puppy Lovers
Ryuta Amazume

Toshiue no Hito
Ryuta Amazume

Nana to Kaoru: Black Label
Ryuta Amazume

Boku Dake Shitteru Ichinomiya-san
Ryuta Amazume

Nana to Kaoru - Kokosei no SM gokko
Ryuta Amazume

Change H
Mizuno Yuan , Rikdo Koshi, Akihito Yoshitomi, Youko Imamura

Koi wa Misoji wo Sugite kara
Ryuta Amazume

Mote ne!?
Ryuta Amazume

My Beloved Senpai
Ryuta Amazume

Bra Girl
Ryuta Amazume