Obito had no idea what was wrong with himself.
Normally, even if he saw Nariya Ueshima and Kakashi together, he would only grumble a little on the surface while still greeting them normally, shouting something like, "Yo, Nariya, Kakashi!"
Instead of feeling like he was right now—seeing that sight as if his whole heart had been clenched by something sharp and piercing, with a slightly sour, stinging pain.
Chapter 55