Comedy
Based on the longest-running webtoon "Maeum-ui Sori" in Korea, "Sound of your heart" is a story about Cho Seok, an aspiring comic writer, and his strange family.
People
Cho Seok
Cho Jun
Ae-bong
Cho Cheol-wang
Kwon Jeong-kwon
Teacher
Resident 1
Manager (webtoon editor)
Webtoon editor
PD
Wedding host
Female student
Cho Seok's friend
Ae-bong's friend
Muscled body
Skinny body
Kim Tae-won
Male neighbor
Female neighbor
Solbin