Grandparents' Logic

For the past eighteen years of his life, Seongwoo never thought that he would be getting engaged at such a young age. He thought that he would be at least twenty-four of age before getting engaged to the person he loves. Apparently, fate has other plans for him.

At the age of eighteen, Seongwoo finds himself engaged to Kang Daniel.

'Fuck his grandparents logic,' he thinks.

or

Daniel and Seongwoo are in an arranged marriage because their grandparents love the traditional way of merging their companies together; through marrying the future heirs of their companies to each other.