| Artist | : | Ragnarok Online: Relaxing Music for Sleep & Study | Emotional BGM Version | Nostalgic Collection |
| Title | : | Sairen X |
| Duration | : | 4865 |
| Source | : | Youtube |
| Type of file | : | Audio/Video (.mp3 .mp4) |
| Artist | : | Ragnarok Online: Relaxing Music for Sleep & Study | Emotional BGM Version | Nostalgic Collection |
| Title | : | Sairen X |
| Duration | : | 4865 |
| Source | : | Youtube |
| Type of file | : | Audio/Video (.mp3 .mp4) |