the family business [conglomerate, CEO yaoi]

nanjo (uke) is a ceo (or ìn line to inherit the business, at least, idk i forgot, he's too hot and I'm distracted)

uke comes from a family that favours legacy over everything. they're rich and participate in arranged marriages

second seme is the director of the hotel uke works at

black-haired seme and uke both higher ups in their companies (not a MAJOR plot point, but still relevant ig)