C83 There Was a Mistake

My sister died on a mission soon.

His sister's last words before her death were left to Gong Mingchuan. She asked him to take care of her sister and take responsibility for her entire life.

So, under Eldest Sister's last words, Gong Mingchuan married her, Le Youyou. He converted his guilt towards Eldest Sister into a promise of marriage and gave it all to her