Song Joong Ki and Lee Kwang Soo continue to inspire us for new friendship goals! Ever since the Running Man days, they have been one of our favorite bromance couples. Just this year, Lee Kwang Soo uncovered Song Joong Ki’s secrets to his fans and had a cameo role in Descendants of the Sun, Song Joong Ki’s hit drama. Now that Lee Kwang Soo’s new drama, The Sound of Your Heart, premiered on Dec. 9, it was Song Joong Ki’s turn to do a cameo for his buddy.

In The Sound of Your Heart, Song Joong Ki plays a successful webtoon writer. In a short scene below, Song Joong Ki walks into a convenience store and bumps into his old friend Lee Kwang Soo, the store’s cashier and a webtoon writer in training. Song Joong Ki takes pity on Lee Kwang Soo, which upsets him. Check out Song Joong Ki’s cameo below!

Though the scene is brief, Song Joong Ki and Lee Kwang Soo’s chemistry is undeniable! The comedy drama The Sound of Your Heart revolves around a webtoon writer Cho Seok (Lee Kwang Soo) and his family. It airs every Friday night on KBS2.

What do you think of Song Joong Ki and Lee Kwang Soo’s chemistry? Who’s your favorite bromance couple? Tell us below!