Mute.

Jiyong was 16 and Seungri was 14 when that accident happen. Both of their parents died in it. Force them to be orphan in a blink. They was cried until the tears dried in the funeral. But the younger voice could be heard any longer since the accident. While the older lost his fully ability to walk. Due to debts that left by the parents, the wealth taken back, leaving them having nothing and it's include home. No relatives wanting to taking care then; found it burden for taking orphan with no sources. They homeless. A home with limit of stay, a meal was only if there is lucky for them then they will eat. The older need to work in early age for his little brother. Since the accident, Seungri turn into silent due to broken chords and mute. So no one want him to work with Jiyong even he capable to do it. Because he can't talk. Most of job that Jiyong took need him to talk. And it's broke Jiyong to not having him beside him to be care with. But whatever happen, Jiyong will take care of him.