The most caring person in his group. Even he looks cold with his y poker face, he cares people around him, including Hyewook, one of the member of SalSya. He knew that he likes her without s know about it, but he tried to hide it as a secret. He always follow Hyewook wherever she goes and he learnt that she loves to spend her time on the school rooftop so did him. He tried to confess to Hyewook but he scared that he will be rejected.