He was calm and nurturing all the time, he had emotions but he wouldn't even use them. His Mom would despised getting this like, but she couldn't do anything about it.
Kyūkon was out in public wearing his mask. He simply watched as the people walked past him. If one were to bump into him. They'd have a heart attack and Kyūkon would disappear without a trace
Kyūkon didn't seem to care much but he felt something off about Darius and decided to investigate. He disappeared like he always does and watched Darius from afar