bokunchi no kaseifusan

Jun lives with his father. One day, his father goes abroad on business. When Jun comes back home on his departure day, there is a girl standing in front of his house. She is a hired housekeeper, according to her. He doesn't know it, but finds a sheet of paper on the table, "I've hired a housekeeper while I'm away. She'll serve you well...." When he is confused, the doorbell rings. He opens the door and there stand two girls. It seems they are hired as housekeepers as well. "Did he mistakenly hire them? Well, there's no way to ask him...." There is, however, one thing for sure... they are all beautiful. Like this, Jun starts living with three housekeepers....