Kim Sang Kyun will be playing main character Lee Joon Kyung, who is a composer. Takada Kenta will be playing Japanese exchange student Haru, who has the ability to see ghosts. Han Ji Sun will be playing a ghost in the recording room, and Kim Hong Kyung will be playing a bandmate who has a crush on Kim Sang Kyun's character.

The drama is a two-episode special that will air on SBS at 00:15 AM KST On August 11 and at 00:25 AM KST on August 12. It will also be pre-released on POOQ at 1PM KST on August 10.