My Family Was Exterminated on the Day I Traveled Through Time. Why Am I Crazy?

Ask. On the first day after arriving, the whole house was destroyed, leaving only her and a younger sister who was pushed off the rockery and fell into the cold lake. What should I do? Oh, this sister turned out to be the reborn princess. The emperor actually gave the two sisters a marriage to a young Marquis of Yan who was famous all over the capital. One is the third prince Murong Jinlan who likes the original owner.