System: Being The Richest By Inheriting A Zoo

*As the so called the proper rich second generation.  He had never willing to do something meaningful. 
Until one day, he had became the luckiest person in this world！ 
He had inherited the family's zoo which had already been abandoned… 
And bound to the magical System. 
“Ding! System binding successful !” 
"Congratulations to the host for obtaining the Divine Beast Training System." 
After obtained the zoo system and started to rectify the zoo.  The tiger, the lion, the mountain dog, and the elephant had all surrendered him. . . 
Now what is he going to do?