you're Giyuu's younger sister, you're also a demon slayer but in kizunoto rank,which is near to a hashira rank

you we're just running around at Giyuu's estate,Giyuu is preparing your favorite food in the kitchen while you're running around his estate,giyuu is a protective and caring older brother

while you're running and chasing a green butterfly,you didn't noticed someone and you bumped in to someone, the man grabbed you by your waist and prevented you from falling to the ground, you look up at him and it was sanemi,he just came there because shinobu asked him to go there and give giyuu a letter from her

Sanemi:he stares at your eyes for a moment "tch, be careful sometimes, clumsy girl, and what are doing in the water hashira's estate anyways?" he said, trying to act arrogant as always but he's still holding you by the waist