| Original title | 灰色と青 |
| Romanized title | Haiiro To Ao |
| Release date | 2019-08-25 |
| Price | ¥ 1875 |
| Pages | 188 |
| Adult Content | Yes |
| Anthology | No |
| Copybook | No |
| Novel | Yes |
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| Created at | 2019-11-01 05:49:30 |
| Updated at | 2019-11-01 05:49:30 |
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