The Date A Live light novel and anime series features a diverse cast of characters created by Kōshi Tachibana and designed by Tsunako.
Ratatoskr (ラタトスク機関, Ratatosuku Kikan) is an organization created for the purpose of resolving the issues of Spirits and the spatial quakes through peaceful means.
The Anti-Spirit Team is a special unit within the Japan Ground Self-Defense Force that is designed to suppress and kill the threat posed by Spirits.
The CR Units are based upon equipment that utilizes technology recovered by humans after the original spatial quake that have been described as "magic through science".
They are economic rivals with Asgard Electronics, the company that supports Ratatoskr, with operatives who are able to utilize CR Units with experience exceeding that of special forces groups from different countries.