(Kim So-hyun's Instagram)

Teenage actress Kim So-hyun posted a photo with BTOB’s Yook Sung-jae Monday on her Instagram. Yook hugs her from behind in the photo captioned: “Photo shoot with Sung-jae.”

Kim sported a tight-fitting white minidress with a brown bucket bag, whereas Yook wore khaki T-shirt and casual jeans.

The two had previously costarred in KBS drama “Who Are You: School 2015” through which they gained huge popularity. Yook is currently starring as Red Velvet member Joy’s husband in MBC reality show “We Got Married.”

By Ko Ji-seon (jiseonko@heraldcorp.com)