kamado siblings

so this is kny/ds as you might know from the title .so your nezuko and tanjiro's sister and nezuko calls you onii-chan and tanjiro calls you nee-san and you were a bamboo muzzle like nezuko and you were walking in the forest when you stumbled upon they hashiras and the kamaboko squad and you were sitting by the river singing softly while playing with a group of beautiful butterflies.