Rui Tsukiyo has written at least 9 books. Their most popular book is The World's Finest Assassin Gets Reincarnated in Another World as an Aristocrat, Vol. 1 with 2 saves with an average rating of 2⭐.
They are best known for writing in the genres Fantasy, Adventure, and Young Adult.
 The World's Finest Assassin Gets Reincarnated in Another World as an Aristocrat, Vol. 1
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 The World's Finest Assassin Gets Reincarnated in Another World as an Aristocrat, Vol. 2
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 The World's Finest Assassin Gets Reincarnated in Another World as an Aristocrat, Vol. 5
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 The World's Finest Assassin Gets Reincarnated in Another World as an Aristocrat, Vol. 4
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 The World's Finest Assassin Gets Reincarnated in Another World as an Aristocrat, (Light Novel), Vol. 1
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 Dungeon Builder Dungeon Builder: The Demon King's Labyrinth is a Modern City!, Vol. 4
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 Dungeon Builder Dungeon Builder: The Demon King's Labyrinth is a Modern City!, Vol. 3
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 Dungeon Builder Dungeon Builder: The Demon King's Labyrinth is a Modern City!, Vol. 2
| 4 | 1 read | |
 Dungeon Builder Dungeon Builder: The Demon King's Labyrinth is a Modern City!, Vol. 1
| 4 | 1 read |