Shaking his head to indicate that he didn't want to talk about it in front of everyone. Instead he ran to him and hugged him as tightly as he could, afraid that he'd push him away and take off as well even though that'd never happened before. Taking in his scent his irrational fear drifted away as he loosened his hold but didn't let him go altogether, still needing that comfort. Yuki felt guilty that he'd done something horrible to make Arisu run and hide from him but at the same time he was confused because he couldn't figure out what he'd done wrong. "I did something... but I don't know what..." he muttered quietly so that only Choi could hear him.