MilkySpace ～悲しきセクサロイド～

In the 22nd century versatile sex tool "Sexaroid" is accepted socially for survival of mankind. In such an era main character dies with his brain preserved and later resurrected as "Sexaroid". Eventually he is assigned to the education corporation "Tellar College" where he needs to train four androids choreography during navigation and relief in emergency situations (including libido stress relief).

[From vndbreview]