Go All the Way North

The female protagonist Ding Yi was accidentally lost by the male protagonist Jiang Xiangbei's mother when she was a child. After that, their fates were inseparable. The male protagonist originally planned to spend his whole life to make up for his debt to her, but in the process, he used clumsy means to deceive and conceal. When she fell into this situation, she was pushed into the abyss. They agreed to become passers-by from now on, but the male protagonist really fulfilled his promise and protected her with his life. But later I heard that the lonely heroine went to another country to work as Doctors Without Borders.