The male protagonist's most downtrodden moment was when he met the female protagonist. The female protagonist gave the male protagonist money, and the male protagonist had a crush on the female protagonist for many years. The male protagonist and the female protagonist's grandfather made a deal to let the female protagonist marry him?

The plot of this story seems to be very common. The following is a possible plot outline: The male protagonist was very down and out at first. He lost his job and the support of his family. His life was very difficult. However, by chance, he met the female protagonist, a kind and compassionate girl. The female protagonist gave the male protagonist some money to help him tide over the difficulties. The male protagonist was attracted by the female protagonist's kindness and warmth and began to have a crush on her. The male protagonist realized that he loved the female protagonist deeply, but he knew that his life was already very difficult and he could not confess to the female protagonist. Thus, he came up with a plan. He made a deal with the female protagonist's grandfather, saying that the female protagonist would marry him, but the premise was that the male protagonist had to find a better job to prove his worth. The male protagonist began to look for a job and worked hard to improve his skills and knowledge. In the process, he made some new friends and started his own business. In the end, the male protagonist found a higher-paying job and became a successful person. After the male protagonist became successful, he returned to the female protagonist and confessed his feelings to her. The female protagonist was also touched by the male protagonist's sincerity. The two of them finally lived together happily.