'Superstar K4' contestant Roy Kim is gaining attention for his manners.

On October 18, 'Superstar K4' shared the above pictures of Roy Kim via its official Twitter with the message: "Revealing only on Superstar K4's Twitter!!! Well-mannered man Roy Kim's~ different greeting for men and women!!!"

The picture showed Roy Kim after last week's first live performance. Roy Kim greeted his close friend and fellow contestant, Jung Joon Young, with a light hug, but he politely shook hands with a female contestant, Ahn Ye Seul.

After seeing Roy Kim's greeting manners, netizens commented, "What was I thinking. I thought he, of course, would have had a more intimate greeting with a girl", "A friendship greeting with Jung Joon Young", and "Roy Kim is awesome".