Ooishi Osamu

大石 理

Ooishi Osamu
Ooishi Osamu大石 理
MeasurementsHeight: 176cm
Birthday11 October
Hair, Black
Eyes, Brown
Clothes, Dress, Fur Coat, High Heels
Personality, Transgender
Role, Host(ess)
Visual novelsSide character - AI: The Somnium Files
Voiced byMiyake Kenta (Japanese)


Mama is the owner of the bar "Marble" in Golden Yokocho in Shinjuku. Date and Renju are regulars there and she knows them well. She is also an information broker in the criminal underworld.