Osamu Sasaki
Filter| Anime | Type | Artist | Song |
| Ongoing Anime | Type | Artist | Song |
| Movies / OVAs | Type | Artist | Song |
| Single Episode Songs | Ep | Type | Artist | Song |
| Ragna Crimson | 1 | ED | Osamu Sasaki | THE THEME of RAGNA CRIMSON ~Hikitsugareru Tamashii~ |
| Insert Songs | Ep | Type | Artist | Song |
{"specialSongs": [["Ragna Crimson", "1", "ED", "THE THEME of RAGNA CRIMSON ~Hikitsugareru Tamashii~", "Osamu Sasaki", "23"]]}