In Ling Yanye's eyes, that single agreement of severing family ties was the root cause of their total fallout with Ling Lu.
If they hadn't signed that severance paper back then, everything would have been different.
Ling Lu would still be in the Ling Family, acting as their younger sister. Although a bit dull and introverted in personality, she would at least take the initiative to care about them.
Chapter 180