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Release date: 01/17/2018 
Popularity: 7 
Original language: KO 
Add to favoritesKeys to the Heart
Off-tune brothers unite!
8DramaComedy
Overview
An older brother is a washed-up boxer. His younger brother is a genius pianist with physical disability. The brothers make up through their mother who is full of stories of her past.
Alternative titles
That's Only My World
それだけが、僕の世界
那就是我的世界
Keys to the Heart
Production companies
Trailers
KEYS TO THE HEART Official Int’l Main Trailer
