Maid Shikou ~Chijoku no Yakata~

Main character's rich father falls victim to an incurable disease. Protagonist is hastily prepared to inherit the company. Subordinates' and debtor's daughters gather at one place for the bride training. He is very confused, but a strict female butler makes sure that the father's will is implemented to the fullest. Protagonist can't understand why these humiliating trials are needed to find a suitable bride. But it turns out that the aim is to to train a female dog rather than get a decent bride.

[From vndbreview]