This list of books are ONLY the books that have been ranked on the lists that are aggregated on this site. This is not a comprehensive list of all books by this author.

1. 1. 空ろの箱と零のマリア 2

   

   The second volume deepens the series’ tense, mind-bending mystery as the protagonist and those caught up with the supernatural object are pulled further into repeating timelines and moral quandaries. New players and rules emerge, relationships fracture as hidden motives surface, and characters are forced to confront the painful costs of manipulating fate — escalating the psychological conflict and setting the stage for a darker, more complex struggle to break the cycle.

   The 17131st Greatest Book of All Time

2. 2. 空ろの箱と零のマリア 1

   A Hollow Box and the Zero Maria

   

   In the first volume of this series, the protagonist, Kazuki Hoshino, leads an ordinary high school life until he encounters a mysterious transfer student named Aya Otonashi. Aya claims to have met Kazuki over 13,000 times, revealing that they are trapped in a time loop within a surreal phenomenon known as the "Boxes." As Kazuki grapples with the bizarre reality and his fading memories, he must unravel the secrets of the Boxes and Aya's true intentions to escape the endless cycle and reclaim his normal life.

3. 3. The Empty Box And Zeroth Maria, Vol. 1

   The Empty Box and Zeroth Maria

   

   In a world where mysterious boxes grant wishes at a steep price, high school student Kazuki Hoshino finds himself trapped in a time loop orchestrated by a new transfer student, Aya Otonashi. As the loop resets every day, Kazuki must unravel the enigma behind Aya's relentless pursuit of him and the true nature of the wish-granting box. With each reset, secrets are unveiled, and Kazuki is forced to confront his own desires and the consequences of tampering with fate, all while navigating the complex relationships with his classmates and the enigmatic Aya.

4. 4. 空ろの箱と零のマリア 7

   
5. 5. 空ろの箱と零のマリア 6 [Utsuro No Hako To Zero No Maria 6]

   

   The sixth volume deepens the series’ psychological and metaphysical mysteries as reality-bending 'Boxes' and the enigmatic girl at their center exert ever-greater cost: investigations into their origin and purpose reveal painful truths, alliances shift and fracture, and characters are forced into ruthless choices that expose hidden desires, regrets, and identities, driving the narrative into darker, more tragic confrontations and altering the stakes for everyone involved.

6. 6. 空ろの箱と零のマリア 5 [Utsuro No Hako To Zero No Maria 5]

   

7. 7. 空ろの箱と零のマリア 4 [Utsuro No Hako To Zero No Maria 4]

   

8. 8. 空ろの箱と零のマリア 3

   

   The third installment deepens the series’ psychological mystery as the protagonists are drawn further into a web of manipulative games, occult phenomena, and painful personal histories; loyalties fracture and hidden motives surface while the group confronts increasingly dangerous puzzles and moral dilemmas, forcing each character to face the consequences of past choices and the true cost of the enigmatic forces controlling their fate.