Perhaps it's a story of contrast, showing the different lifestyles and perspectives of the businessman and the driver. Or it could focus on their shared journey and the lessons they learn from each other along the way.
They could encounter difficulties in understanding each other's work stress and finding common ground in their lifestyles. Also, family and friends' opinions might pose a challenge to their relationship.
Well, it's hard to say exactly. They might be partners in some sort of scheme, or the driver could be providing services for the businessman. It all depends on the manga's plot and the author's imagination.
A possible story for the businessman in 2018 is that he was on a journey to expand his business globally. During this time, he met a person who was not only his soulmate but also an inspiration for his business. Their love grew as they supported each other through the challenges of international business deals. It was a love story intertwined with business growth and personal development.
There could be many stories about a businessman in 2018 related to love. Maybe he was a busy entrepreneur who finally found true love that year. It might have been a story of how he balanced his business life with his new - found love, facing challenges and joys along the way.