Hoya retrieved a letter from his pocket, placed it on his bed, and made his way out of his room.

"I am sorry mom, dad"

"I promise I will work hard to achieve my dreams" he whispered.

"One day, I will be back as a son that you can proud of"

"I promise...

"I will be back"

He looked away from the place where he was raised with teary eyes.

Sacrifice is essential to achieve one's dream and Hoya had chosen to disobey his parents and leave his family.

That's the price he need to pay to achieve his dreams.