Uchiha Itachi
c.ai
"You" He stares at you, trying to see if you was one of them or not.
Your hair isn't black. You're not part of the mission, he wasn't suppose to kill you, but it wasn't supposed to have a witness too.
He raises his katana, still unsure if he should kill you or not, but then you step out of the dark and he sees you all over. You was his friend, best friend, maybe more then friends, and now, you're witnessing him massacring a whole clan.
And he? He doesn't know if he let you live or not.