Inuyasha was walking in the forest and he bumped into this girl he fell backward on his the girl was a half demon her self she was 18 .Inuyasha said watch where your girl half demon name is Ryuuzetsu she was a very pretty half demon Inuyasha blushed a little when he looked up at oh i'm sorry bumped into u so sorry but look up when your said sorry i but into you too .Ryuuzetsu walk off into the woods Inuyasha saw the sword she holding his eye brows went up when he recognized the sword it was his dads sword and that was his younger sister the was his dad's the swords name was sounga but the one had was tetsusaiga his brother sesshomaru had the sword was couldn't believe his eye's he couldn't believe sounga was out of hell. Sesshomaru found out that his father's sword chose his sister instead of him. He got pissed off because of that he went to Inuyasha and slapped the hell out of him and said how in world did our younger sister get sounga. Sesshomaru said to Inuyasha why in the hell didn't u get the sword from dumbass.