| Year of commercial | 2011 (pre-debut) |
|---|---|
| Appearance | Solo |
| Market country | South Korea |
| Company | KT Corporation |
| Industry | Telecommunications |
| Role | Part of commercial project |
| Medium | Video |
| Year | Appearance | Market country | Company | Industry | Role | Medium |
|---|---|---|---|---|---|---|
| 2011 (pre-debut) | Solo | South Korea | KT Corporation | Telecommunication | Part of a campaign | Video |