I'm dying, my sisters are begging for forgiveness

Chen Mo received a phone call on the day he was diagnosed with a terminal illness and left the hospital.
Eldest sister Chen Yuwei told Chen Mo that their biological brother had returned and Chen Mo's biological mother had also been found by them.
As a result, Chen Mo, the substitute, was kicked out of the Chen family.
Chen Mo finally understood why he was always disliked by his sisters over the years, no matter how hard he tried to please them.
After learning the truth, Chen Mo accepted everything and returned to his real family.
After seeing the hardships his mother had gone through over the years in search of him.
Chen Mo secretly made up his mind that, at least in the short time he had left, he could not let his family suffer any more.
the other side.
After Chen Mo left, the sisters' lives changed drastically.
Even after learning about Chen Mo's secret efforts and all the truth, she came to Chen Mo and cried and begged for Chen Mo's forgiveness...