TVXQ member Yunho, who is currently playing a role in the SBS drama, "Queen of Ambition," has created a surprise Valentine's Day event for his fans.

SBS stated, "Yunho has decided to hold this event to express his thanks to everyone supporting the drama."

From now until February 11, people can tweet a picture of the drama or of promotions offline and send them to the official SBS twitter (@SBSNOW). Winners will be selected at random and win a signed chocolate.

Yunho commented, "I am able to act and shoot for the drama due to all the love and support from everyone watching the drama. I hope many people participate in the event."

The results for the event will be revealed on February 12.