William Cecil
| Other character | |
| Japanese Name | ウイリアム・セシル |
| Light Novel | Kyoukai Senjou no Horizon |
| Gender | Female |
Description
Chat Handle: Cecil 「せしる」
| Other character | |
| Japanese Name | ウイリアム・セシル |
| Light Novel | Kyoukai Senjou no Horizon |
| Gender | Female |
Chat Handle: Cecil 「せしる」