Disclaimer: I don't own Inuyasha, but you knew that . . .I hope. But I do own this plot and all the twists that it takes.

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When the changed scent of Inuyasha first came to Sesshomaru, he set off to find out both its cause and its meaning. It might have been because he was always looking for a way to retrieve the sword that should have been his. Or it could have been because he had learned to keep an eye on his foolish half brother.

Or maybe the true reason would never be guessed nor believed. After all, surely one the greatest demon lords didn't feel emotions such as hope, and certainly not over the possibility of a family member that could be acknowledged.

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A/N: This was just a thought I had when I was re-watching this episode. Inuyasha's status as a hanyou seems like the only thing keeping him from being accepted by Sesshomaru, since he considers the human blood a weakness. So maybe there was more to Sesshomaru's actions when he went to see why Inuyasha smelled like a full demon that day.