八海つむ has written at least 4 books. Their most popular book is 孤島部長, Vol. 2 with 1 save with an average rating of 5⭐.
孤島部長, Vol. 2 孤島部長, Vol. 2
| 5 | 1 read |
孤島部長, Vol. 1 孤島部長, Vol. 1
| 5 | 1 read |
孤島部長, Vol. 4 孤島部長, Vol. 4
| 5 | 1 read |
孤島部長, Vol. 3 孤島部長, Vol. 3
| 5 | 1 read |