Ryoukan
寮監（りょうかん）
Apparitions
A Certain Scientific Railgun
SUPPORTING
A Certain Magical Index
SUPPORTING
A Certain Scientific Railgun S
SUPPORTING
A Certain Scientific Railgun T
SUPPORTING
A Certain Scientific Railgun
SUPPORTING
Toaru Kagaku no Railgun: Motto Marutto Railgun
SUPPORTING
Toaru Kagaku no Railgun: Giten Railgun
SUPPORTING