Sexy girl group AOA appeared on KBS 2TV's 'Yoo Hee Yeol's Sketchbook' on June 27 to promote their new mini-album, 'Heart Attack.'

Seolhyun, who is currently starring in 'Orange Marmalade,' was asked if it was difficult promoting as an actress and singer at the same time. �She said, "I feel a great burden and I also feel responsible. �When I promote by myself, I miss the other members."

She was also active in CFs and variety shows, but looks like there's another entertainment sphere she wants to try out! �"I want to try being a radio DJ," she revealed. �

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On this day, Jimin also revealed she was the member who had trained the longest, four years. �"I trained for four years and watched the other members' auditions," she revealed.

When asked which member left the biggest impression, she replied it was Mina, stating, "I thought she was pretty and hoped she would do well, and the next day, she was really here. �But she was better on the screen," making everyone laugh. �

Mina revealed the good luck she had for the audition, saying that she had a background as a shopping mall model, so she struck a model pose in the audition.�

Jimin and ChoA even performed with fellow guest singer on the show, Verbal Jint! Check it out below.