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TitleReleased on the author's twitter to promote LN of same name.
In a mysterious school, there is a class where students with the lowest grades are sent, named the "isolated class". Akari, an ordinary female student, falls into the "isolated class" due to her friend's betrayal, where she is exposed to irrational senseless violence! However, she stands up to the members who dominate the class with an unyielding heart. At the same time, Akari joins forces with Yuto, another student who has fallen into the segregated class, and vows to climb out of this mess...
I, Amekawa Shintarou, don't get along with Haruna Natsuki, my childhood friend that lives next to me. When we were younger, we were so close that we promised to marry each other, but I got addicted to an FPS game, and I gradually distanced away from Natsuki. Before long, our relationship ended where we would talk harshly to each other every time we meet. One day, I had to give printouts to Natsuki who left school early, and I got to enter her room for the first time in 5 years. However, she wasn't there, and instead I found an expensive gaming PC. Displayed on its screen was the post-battle result of an FPS game I've been playing for years. At that time, I was surprised by her kill count and her username. The player ranked second in the world; No waythere's no way There's no way that my childhood friend is 2N, the player ranked second in the world stage, the remarkable sniper player, and my best friend!!