All Son Youngjin Songs
| Songs | In album |
|---|---|
| Crazy | - |
| Crazy (Korean) | - |
| Roll Deep | - |
| Serene | - |
| U & ME ♡ | - |
| 눈물병 (The Tears Bottle) | - |
| 도깨비 (Hobgoblin) | - |
| 말이야 (I Mean That) | - |
| 미유 미유 (Meow Meow) | - |
| 어때? (How's this?) | - |
| 어때? (How's this?) (Romanized Lyrics) | - |
| Songs | In album |
|---|---|
| Crazy | - |
| Crazy (Korean) | - |
| Roll Deep | - |
| Serene | - |
| U & ME ♡ | - |
| 눈물병 (The Tears Bottle) | - |
| 도깨비 (Hobgoblin) | - |
| 말이야 (I Mean That) | - |
| 미유 미유 (Meow Meow) | - |
| 어때? (How's this?) | - |
| 어때? (How's this?) (Romanized Lyrics) | - |