War Girls Collection

War Girls Collection also known as WGC, and WaGiColle, is a trading card game, and free-to-play web browser game. The game was launched on the 22nd of April, 2009. In Weapon Wielders, This game was originally only played by Nerds, but suddenly became very popular in 2011. The gameplay is centred upon individual characters represented as cards with different attributes. Each of the characters are moe anthropomorphisms of ships, airplanes, battle tanks etc. which are depicted as cute girls, known as "war girls".

In an episode of Weapon Wielders, Apex distributes a device that makes the war girls real so Humans can kill each other with them. Apex tells humans that his device would allow them to have “awesome holographic battles like in Yu-Gi-Oh!, and/or let them marry their waifu for real!” There are war girl spirits that have human partners. Their partners and any other humans that possess the ability are the only humans who can see and interact with them. It's also possible to have more than one spirit partner. F-22 Raptor and Ethan Allen Fernandez are spirit partners.