The girl who has the ability to see things once and see them twice can master them and find the shortcomings and finally correct them as she pleases - but because of this unreasonable talent, she is wandering on the edge of life and death - Baguo.
The above is the setting of the cheating wife of Byakuya Kuchiki's father's brother.
PS: In fact, this is "Whisper of the Sword" in parallel time and space.
It is set that after Qihua and Jiuer returned to their hometown to get married, they gave birth to a cheating daughter with the same abilities as their sister Qishi (see the first paragraph of the copy for the ability introduction)... The story of Lapu-Labu who hooked up with her husband during his lifetime and successfully married after his death.
Conception: