So, in addition to Preferential Measure Organization Stella Women’s Academy High School Division Class C3 (which apparently flopped as a manga, but is one of the few watchable anime this season), there’s at least one other schoolgirl survival-game manga running, this one successfully: Survival Game Club.
I had happened to pick up a volume of this one when I was Osaka, and while the general idea is the same, this one opens a bit differently, with New Girl At School getting her introduction to the world of survival games by being rescued from a train molester by a stylishly-dressed but mildly insane blonde schoolgirl carrying what looks like a Beretta 9mm pistol. …who is promptly hauled off by the station employees, to her loud protests. Of course, this is the beginning of a new life for Our Heroine, in more of a wacky-antics universe than C3.
I was reminded of this series when I happened to click the Google translate button while looking at reviews of C3, and saw a more hilarious than usual mistranslation. The official title of Survival Game Club is さばげぶっ！ (saba-ge-bu). Google helpfully translated this as “Sabage Bukkake!”. I can only be grateful that they didn’t go with “savage”.