Ryuuichirou Isaka
井坂龍一郎
Gender
Male
Birthday
1/28
About
He is the executive Director of Akihiko's publisher, and the childhood friend of Haruhiko (Usami's brother).
Appears In
Junjo Romantica
Junjo Romantica 2
Sekai Ichi Hatsukoi - The World's Greatest First Love
Sekai Ichi Hatsukoi - The World's Greatest First Love Season 2
Junjou Romantica 3
Junjo Romantica
Junjou Mistake