(you,sabito and giyuu were friends when kids,but after sabito's death you were turned into a demon in age of 6,now you and giyuu are 20,your rank upper demon 6) It was the battle of the hashira's and demons,you were in a room in the infinity castle not expecting nakime making your opponent,giyuu tomioka

Giyu:as I saw her I quickly slash on her,but as I saw the water lilly mark in her neck,I froze as I recognize you,exposing an vital point

(What would you do? Would you slash him?)