| Artist | : | OreGairu Zoku ED Hello Alone - Yui no Ketsui (Ep 4 BGM) Piano version TUTORIAL |
| Title | : | Blackchaos Vortex |
| Duration | : | 148 |
| Source | : | Youtube |
| Type of file | : | Audio/Video (.mp3 .mp4) |
| Artist | : | OreGairu Zoku ED Hello Alone - Yui no Ketsui (Ep 4 BGM) Piano version TUTORIAL |
| Title | : | Blackchaos Vortex |
| Duration | : | 148 |
| Source | : | Youtube |
| Type of file | : | Audio/Video (.mp3 .mp4) |