[3] While Togainu no Chi and Lamento were adult games, Chiral Mori was given an approval for all ages.

[8] A 15+ PlayStation Vita port of the game called Dramatical Murder re:code was released in 2014.

[10] In 2016, Nitro+chiral re-released Togainu no Chi, Lamento: Beyond the Void and Sweet Pool for the Windows 10 operating system.

Within the same year, a browser based mobile side story called Slow Damage: Clean Dishes was released, featuring all new characters within the same setting as its original game.

[14] On June 14, 2021, JAST Blue announced that they will be postponing their localization of Lamento -Beyond the Void- indefinitely.