Sōichirō has written at least 4 books. Their most popular book is Umineko WHEN THEY CRY Episode 4: Alliance of the Golden Witch, Vol. 1 with 3 saves with an average rating of 4⭐.
They are best known for writing in the genres Fantasy, Adventure, and Comics.
 Umineko WHEN THEY CRY Episode 4: Alliance of the Golden Witch, Vol. 1
| 4 | 3 reads | |
 Umineko WHEN THEY CRY Episode 4: Alliance of the Golden Witch, Vol. 3
| 3 | 2 reads | |
 Umineko WHEN THEY CRY Episode 4: Alliance of the Golden Witch, Vol. 2
| 3 | 2 reads | |
 Rose Guns Days Season 1, Vol. 1
| 0 | 0 reads |