Male supporting character in a book: Aren’t we brothers?

Jiang Qi'an, the prince of Beijing, finally got the recognition of his family and became the head of the family with his own strength. Before he could be happy, he didn't expect that a sudden car accident made him cross into a book. It was a romantic novel written by his stepsister. He was still the second male lead who couldn't get the love? In this regard, Master Jiang said: He would never go through the plot of a deep affectionate male supporting role! He just wanted to live his life well in this world. Unexpectedly, he made friends with the original male lead of the novel by mistake. However, the male lead looked at him more and more strangely... Mine clearance: There is a secondary CP, and there is also a love brain. Mind please don't enter~...