I think only the byakugan can.
I think Neji saw the red chakra during his fight with Naruto. Don't know if he realized it was the kyuubi.
Hiashi also seems to have figured out that it was the kyuubi's chakra.
I think only the byakugan can.
I think Neji saw the red chakra during his fight with Naruto. Don't know if he realized it was the kyuubi.
Hiashi also seems to have figured out that it was the kyuubi's chakra.