**Original Webtoon: **
Ridibooks, Naver Series, Bomtoon, Lezhin, MrBlue, BookCube, Toptoon, Toomics, MComics, Mootoon

Si-eun, who lost her hearing in an accident and was exhausted with emotions, cannot hear the sound, but can hear the sound of the other person's earnest heart.
Si-eun, who entered Choi Si-hyuk's secretary at the request of his biological grandfather-like mj chairman, opened her heart little by little to Si-hyuk,
Sihyuk is trying to use Sieun like that...