All 12 chapters were collected into a single tankōbon, released on January 8, 1999.
The published chapters have been collected in 13 volumes.
The individual chapters were collected and published in eight volumes by Shueisha.
The chapters are collected in later collections under different titles, as below.
These chapters have not yet been collected into volumes.
The chapters were collected and published as a single hardbound novel in 1990.
Later, the individual chapters were collected into twelve separate tankōbon.
The serial chapters have been collected in 21 bound volumes to date.
The 29 chapters have been collected in five tankōbon volumes.
Six chapters were collected into a single volume released on August 26, 2011.
