Yor Forger

Yor Forger , née Briar  is the tritagonist of the SPY x FAMILY series. While she works as an ordinary clerk at Berlint City Hall, she also leads a secret life as a Garden assassin with the code name “Thorn Princess”.
She and Loid Forger get married to fulfill their separate goals, with the former becoming the adoptive mother of Anya Forger.

Yor Forger Wiki