Heirs. the japanese's unique business system of 'zaibatsu'/ korea's chaebol.
everyone is from old money...
no noveau riche here.
So K-drama/telenovela-ish. My guilty pleasure. I'M NOT THE ONLY ONE AINT I?
Age ranges fr: young teen pressured to perform well as the company's future to accomplished executive son/nephew that is yet to inherit.
The entire tag of my "head of the family & other businessmen" manga.
http://www.mangago.me/people/tag/49344/businessmen/ 
