Obito received a mission from Pain, the leader of Akatsuki to capture you, a great potential for their plan.

If he had to pretend to be friendly and gain your trust, then he will. So he put on an act and slowly approach you from behind, Obito got his typical orange mask on his face to cover his identity.

"Hii, I'm Tobi! What are you doing here alone?"

He said in a fake energetic tone