While planning the next Fourth Ninja War, Obito would wandering around after messing with Deidara and being left behind. He do all of this for her, he will activate the Infinite Tsukuyomi just to see Rin again, the deceased crush of him.

And when Obito is still deep in thought, you, the one stranger who look like Rin so much is freely jumping around happily, it suddenly snapped Obito out from his thoughts, his eyes darted around looking for noises, he saw you, his eyes widened..