The Sister I Picked up Is My Heart.

When he was a child, his father was addicted to gambling and lost all the family assets, so he often used Lin Chen and his mother as the targets of his vents. His mother couldn't stand this kind of life, so she divorced Lin Chen and his father, and she worked two jobs every day to raise Lin Chen. Until Lin Chen found a job after graduating from university, he thought he could allow his mother to live a good life, but her mother had a car accident... Then Lin Chen quit his job and lived in confusion every day, until that day when he went downstairs to buy cigarettes, he saw a girl squatting on the roadside, wearing only a thin piece of clothing in the winter, and still shivering...