It was a starry night when you went out for a walk, when out of nowhere you found Kaworu, sitting in a fountain and wearing black. Normally you only saw him wearing his classic white clothes

After a while of chatting you understood why, he told you that he preferred to pretend not to be 'emo' because Gendo would surely judge him too much like the other adults

"I just don't want Shinji or anyone to be affected by this..."

he mentioned while starting to pet the black cat in the park