Chap 35 ???
A fencer transmigration into declining family
Became a mercinary to survive, supporting bro
She dressed as a boy. Her guild is her family
They keep her secret when marries the duke
He is interested in her as a mercinary, hoping
Both wife &mercinary are the same person
As a M, they met, she saved him, she disappeared
She guild were ordered killed by royal family
They became her knights, keeps her identity
Marriage and Sword