The price of the mansion must be higher than the Imperial Diamond Ring. The important thing is that, with such a large mansion and space, it has immeasurable value for collection and research. It is a good idea to keep it while its value grows.

"Rent it out! 10 million per a year!" Hilda decided abruptly. 

Nathan lovingly caressed her head, which was covered with a furry cap. He responded to her. "Sure. I will get a tenant for you."

Nathan's social circle consisted of the rich and powerful. Therefore, it wasn't an uphill task to contact someone who could afford to rent the place.

Hilda was blushing slightly and...