NEED HELP FROM OLD BL FANS

I just cant find it, is a really old bl manga about androids.

-multiple couples
- the androids had housekeeping function (not sure if i am confusing it for another manga this one)
-the was a couple who had trouble because of malfunction

MAIN SEARCH!!!!!!
-a rich boy or heir from a company gets an android of himself and make his bodyguard guard him. The android and bodyguard falls in love

-there is a short extra where the bodyguard taste strawberry milk why blowing the android (a feature his boss requested thinking the bodyguard wouldnlike it)