Slave Doll(こわれものKowaremono) is an H anime OVA created by Otakey Sasaki released in 1999. The series revolves around Aki, a busty android maid constructed by the Gene (pronounced Gen-a) Corporation. Her function, besides being a household maid, is the collection of male genetic material (semen) through sexual means, after which it is saved, possibly for species preservation.