Harem-sister's are the women that are all in the same open relation ship with the same man. Harem-sister's will not be jealous when sharing the same man. Harem-sister's will be happy to be a harem and have a harem-sister. Harem-sister's will be happy to work together to please their man, double blowjobs, titfucks, threesomes ect. Harem-sister's will find each other attractive and will be happy to kiss each other, suck each other's boobs, like each other's vaginas or butt holes, or do any other sexual activity that they'd normally enjoy. Harem-sister's will enjoy doing domestic work together. Harem-sister's will love each other's children. Harem-sister's might playfully fight but it's just for fun there's no hard feelings. Harem-sister's will see their Man as the number one, but each other as a close runner up.