Idol group Super Junior's Ryeowook, Henry, and girl group f(x)'s Sulli took a photo altogether at the SM Concert.

On October 21st, Ryeowook uploaded a photo onto his Twitter with the words, "SMT Happy day~^^ beauties." The three people attended the SMTOWN Concert.

In the photo, Ryeowook is slightly biting his lips, and showing off his cute charm. Henry has his arm around Sulli's shoulder in a friendly manner, and they have huge smiles on their faces.

Internet users who saw the photo commented, "Ryeowook, Sulli, and Henry are cute," "Always be happy, Ryeowook," and "Sulli is so very pretty."

At the SMTOWN Live Concert held on October 19th in China, SM singers performed a total of 49 songs on stage, including Kangta, BoA, TVXQ, Super Junior, Girls' Generation, SHINee, f(x), Jang Ri In, and EXO.

Photo credit: Ryeowook Twitter