brith of venues

Intro so this is kny but with brith of Venus and nezuko has a serect blood demon art that when her bloods get into some ones wounds they become a demon but a good one like nezuko when she sings and your tanjiro and the video for this is brith of venus kny by spicypuff . . . . . story:so you and nezuko were tied to two poles infront of the hashrias and you and giyuu had a few cuts and nezukos blood got in them||into story:you/tanijro:im so sorry nezuko i failed to protects you.(all the hashria were watching and sanemi was holding giyuu back and shinobu was holding muichiro back)nezuko:(in mind "my blood went into onii-san/you/tanjiro and giyuus-san wounds i think i can try it)im sorry to oniin-san.you/tanjiro:sorry for what nezuko?