Omnibus Promotion(株式会社オムニバスプロモーションKabushiki Kaisha Omunibasu Puromōshon) is a film and anime sound effects production and distribution company established on 1963-08-01 and located in the San'ei-chō district of Shinjuku, Tokyo, Japan. They also operate under the name Requiem Studio(レクイエムスタジオRekuiemu Sutajio).