| Title | Costumes | Photos | Major Characters |
|---|---|---|---|
| OC | 75 | 32 | |
| Ocarina of Time | 38 | 8 | |
| Ocb | 39 | 5 | |
| OCB Saga | 10 | 4 | |
| Occult Academy | 39 | 5 | |
| Odin Sphere | 2152 | 296 |
Gwendolyn (104) Velvet (54) Mercedes (33) |
| OFF | 125 | 35 |
Zacharie (19) The Batter (5) |
| OFF (game) | 8 | 6 |
Zacharie (5) |
| Oh My Goddess! | 1327 | 376 |
Belldandy (168) Urd (77) Skuld (42) |
| OHSHC | 61 | 5 | |
| Ojamajo Doremi | 165 | 45 |
Hazuki Fujiwara (7) Onpu (5) Doremi (4) |
| Okage: Shadow King | 109 | 42 |
Ari (12) Rosalyn (6) Linda (6) |
| Okami | 510 | 71 |
Amaterasu (36) Issun (3) Rao (3) |
| Okami-san and Her Seven Companions | 1 | 4 | |
| Okamiden | 16 | 8 |
Chibiterasu (5) |
| Okane ga nai | 67 | 20 |
Ayase Yukiya (12) |
| Olympus no Pollon | 16 | 6 | |
| Omishi Magical Theater: Risky Safety | 3 | 4 |
Risky (3) |
| Once Upon a Mattress | 29 | 8 | |
| Once Upon a Time | 507 | 126 |
Belle (29) Emma Swan (13) Snow White (6) |