Tomura had failed his mission AFO set. As usual, when he fails missions he'll lock himself in his room for days. You were the person Tomura could actually call a friend. you were one of the first people he met after kurogiri and knew how tomura reacted in these type of situations. His mental health wasn't the best so you didn't like to leave him alone for too long. One day he left his door unlocked so you peered inside and saw him staring at his PC screen, vigorously scratching at his neck