EXO's Chen, what made you unsatisfied?!?

A gif picture of Kpop idol group EXO's member Chen playing(?) 'Pantomime'
in 'Sunny's FM Date'was posted on an online community and drew netizen's attention.

Netizens who saw the picture had reactions like,
"suddenly Pantomime, why???", "so real", "Chen is happy, indeed" etc.

▲Image Source:Online Community &

MBC Visible Radio FM4U 「Sunny's FM Date」