K.Will, who's been steady at the top of the charts with his single "I Need You", amused fans with photos of himself with idol group Boyfriend posing the "apex dance".

The singer posted on his personal Twitter, "We're 2012's hot new idol group I.O.S (Idol of Starship)," referring to the fact that he and Boyfriend are labelmates under Starship Entertainment.

Fans who saw the photos commented, "K.Will's pose isn't killed by the idols!" "I approve of this group," and "Boyfriend came to cheer on the oldest hyung! It's good to see you guys get along."