Hi readers , I am reading novels after a long time/gap so I forgot the title of many novels this is one of the few stories with which I need your help > MC had a second chance in life . She got a chance to meet royalty. Became friends with empress daughter ( who was sick bcoz of premature birth) she got to know MC older brother they had a 9 year gap . Later on they got married. I think MC was called Ah Lou . Her friend (the princess) married her guard . This is all I remember from that novel .