Kokonoe Mercury is a former scientist at Sector Seven, and the daughter of Jubei and Konoe A. Mercury. In Continuum Shift, Kokonoe hosts her own omake series alongside Litchi's, called Help Me, Professor Kokonoe!. She is a playable DLC character in the console version of BlazBlue: Chronophantasma.

BlazBlue: Calamity Trigger (ブレイブルー カラミティ トリガー Bureiburū: Karamiti Torigā) is a fighting game developed by Arc System Works. The game's name is a portmanteau of "blaze" and "blue," with the "z" sound omitted in the Japanese pronunciation, rendering it similar to the word "bray" in pronunciation. The game is currently released for the Taito Type X2 arcade system board, with a 16:9 ratio and 768p resolution and was released on November 19, in Japan and November 20, 2008 in the United States. It was released on the PlayStation 3 and Xbox 360 home consoles on June 25, 2009 in Japan. A port for the PlayStation Portable, titled BlazBlue Portable (ブレイブルー ポータブル Bureiburū Pōtaburu), was released on February 25, 2010 in Japan. The PC version was released in Europe on August 20 and in Japan on August 26, 2010. The PlayStation Portable port was released in Europe on September 9, 2010. The PC port is a direct conversion of the Xbox 360 version, and contains cross-platform compatibility via the Games for Windows - Live service.