Fans have spotted South Korean actors Lee Kwang Soo and Song Joong-Ki shooting together for a Korean webtoon series turned sitcom "The Sound of Your Heart" at a certain location in Seoul.

The users on online communities and SNS have quickly spread the word by posting pictures of both the actors on the sets.

Initially there were reports of Song Joong-ki making a cameo appearance in the upcoming sitcom which proved the close friendship between him and Lee Kwang Soo, who was seen performing a comical cameo appearance for Song Joong Ki's drama, "Descendants of the Sun."

Lee Kwang Soo and Jung So Min will be the lead actors for "The Sound of Your Heart," which is originally a popular Korean webtoon that has run for almost 10 years.

People have already expressed their excitement on the online media for the upcoming sitcom with comments such as, "I am excited for the show" and "I want to watch it soon!"

Soon after the sitcom is released as a web drama on Naver TVCast this fall, a public television version is set to air on KBS2. The filming process for the web-drama has already ended and is currently in the editing process.