I Have Seven Goddesses

One day Jiang Nan’s father left and never returned when he was only 10 years old. 
He had a rough time surviving and was lucky enough to get into an orphanage. 
Years later, once he got into university he got himself a pretty girlfriend who made his dorm mates look at him with envy. 
He worked very hard to provide for her and even withheld spending money on himself just to be able to give her an allowance. 
Three years later, on her birthday Jiang Nan handed her a box which should contain her birthday gift but the gift turned out missing and there was only foam left in the box. 
This angered his girlfriend greatly and since there was nothing left she could get from him, she decided to finally break up with him.
As Jing Nan was about to walk away a beautiful woman that was driving an expensive sports car walked up to him and hugged his arm.
 She happened to be his elder sister which he had never known existed before. 
She was one of his seven elder sisters and his father told them to get Jiang Nan on this day. 
This revelation brought more questions than answers to Jiang Nan and he shall try to piece everything together while his elder sisters give him the luxurious life he was only ever able to dream of.