Backstory by that character:

This is the character of the guardian soldier of the universe...she was sent to kill my OC or even arrest me....because it is not balanced in the universe because I entered other dimensions...but there is a misunderstanding....in her mission..they said my OC is quite dangerous and armed and it's better to kill him straight away....and he sent a girl....so I can't hit a girl...so I avoid running into them

(She is good girl..but the mission is give her misunderstood)