SNSD member Hyo Yeon broke out in tears during a psychological therapy session.

On the recent filming set of JTBC 'SNSD and Dangerous Boy', SNSD took a drawing test during the psychology test.

Hyo Yeon, who was seriously focused on her drawing during the filming, surprised everyone by breaking out in tears suddenly.

SNSD member and staff were shocked, and Hyo Yeon, after calming down outside the room, joined the filming set again.

But Hyo Yeon once again showed tears when the art psychologist was explaining Hyo Yeon's drawing.

The reason behind her tears will be revealed on January 1st broadcast of JTBC 'SNSD and Dangerous Boys'.

Photo Credit: JTBC capture