監獄戦艦３～熱砂の洗脳航路～

By day, Beatrice and Kila Kushan are strong-willed mother-daughter doing ship duty. By night they're brainwashed hypersexual servants the soldiers line up to fuck! The pattern requires programming their supple minds night after night. Multiple endings based on choices of degrading prostitute "public relations"!!

[From DLsite English]