久远之绊 再临诏
Kuon no Kizuna: Reincarnation Edict -Portable- (PSP version)
The PSP port on November 17, 2011, was based on the PS2 version and also featured a clock mode.
A long-standing bond, the edict is issued again
"The Ancient Bond: The Second Decree" centers on reincarnation, telling the story of lovers who repeatedly meet across four eras such as Heian, Genroku, Bakumatsu, and the modern era, as well as their bonds spanning a thousand years.
Sleeping in Satoko Amano's nurse's office
The first edition of the fully voiced version comes with a mini radio drama CD, starting with Takeshi's daily life meeting Satoko in the nurse's office due to lack of sleep.
Manyo's newlywed wife is here~
The first edition of the fully voiced version comes with a drama CD, depicting her married life with Kazuha Takahara.
Kuon no Kizuna: Reincarnation Dreamcast Edition
Released on May 18, 2000, this script corrects the text and adds a script that appears at the end of the main story after meeting certain conditions based on the original PS version.
Kuon no Kizuna MOBILE
A historical romance adventure that retains the PS2 version's graphics and revamps it for mobile; i-mode began service on January 28, 2008, and on Yahoo! Mobile on September 17.
Eternal Bond: Reincarnation Full Voice Version
Released on December 22, 2011, an all-ages Windows product featuring all voices except the protagonist, 50 save options, auto-reading, and CG/BGM appreciation. The first press special edition also includes two radio drama CDs.