- Last Episode: Karen Senki EP 11 (Sub) Remake
- First Episode: Karen Senki EP 1 Raw Eng
In the post-apocalyptic aftermath of a war between machines and their creators, machines rule while humans exist in a state of servitude. Karen leads Resistance Group 11, an eclectic group of humans who find themselves fighting for their lives as they are hunted by the robots; through her fight, Karen is thrown not only into a struggle between right and wrong and between indifference and love, but also into questions about the nature of humanity.
- Other Title: Karen Senki, 夏恋戦機
- Status: Completed
- Sub/Dub: Anime Sub
- Anime Type: ONA
- Genres: Action, Sci-Fi, Animation, Sci-Fi & Fantasy
- Characters: Karen
- Score: 5.75
- Rank: 10612
- Popularity: 5671