In celebration of Children's Day,�JYJ member�Park Yoochun revealed a heart-warming photo of himself and a young child.

On May 6th, the pop star left several tweets including, "Promise!!!", "^^ I'm so happy~~", and "Cute~It's Suk Joon~~".

According to reports, the young boy in the photo is a family member of one of the members in C-Jes Entertainment. �Judging from the tweets, it appears that Yoochun made a promise to hang out with Suk Joon on Children's Day.

Fans became pleasantly surprised by this new image and remarked that Yoochun would make a good father someday. �They commented, "You two look so cute ^_^", "You look like a good daddy", and "You guys look like a real family".

Source + Photos: JYJ Park Yoochun's Twitter