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Ooishi Osamu

大石 理

Ooishi Osamu大石 理
MeasurementsHeight: 176cm
Birthday11 October
HairBrown, Short, Wavy
BodyMakeup, Overweight, Pale
ClothesBody Ribbon, Dress, Fur Coat, Mary Jane, Necklace, Pendant Earrings, Stockings
PersonalityStreetwise, Transgender
RoleBartender, Friend, Host(ess)
Engages inFlirting, Seduction
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.