Well... We are □□. Why do you feel like there is a gap in your memory? Our life experience...
"Sister!? Xinglao scar? Yellow quail?"
"..."
"Sister! I stole the information~"
"..."
"Sister! What should we do now~"
"..."
Sacrificial Shadow and Phantom Blood, both descendants of □□, are both outstanding killers.
Because of a mission error, they began a wonderful life that they had never experienced before.
She is a somewhat cold but somewhat arrogant sister
She is a little scary but cute little sister
Why are we killers?
Don't ask us,
We are just ordinary girls...