Yi-chan gets hit by a car and loses his hearing. Master tells Eun-gyeol to go back to his time, but he refuses, determined to catch the guy who hit Yi-chan. Se-gyeong convinces Eun-gyeol to return to 2023, and when he finally does, a completely different life awaits him.
Genres: Drama , Sci-Fi & Fantasy
Keywords: band-member , bromance , cheerful , child-of-deaf-adult , gifted-children , lighthearted , loving , model-student , music , time-travel , watch-Korean-drama-online , tv-shows-online , complex , romance