Kochira, Shumatsu Teitai in Kai. (Dengeki Bunko) [Light Novel]

[Machine Translation] In fact, it seems that our world is in the midst of being secretly destroyed. A strange shape lurking in Ueno's Shinobazu Pond, a giant snail stuck to the Eiffel Tower, a demon king who is apparently a beautiful girl.... The identity and even the number of these creatures are unknown. But behind the scenes, there are boys and girls fighting against it with their middle fingers raised. God is so arrogant in front of Hikari-sama, the strongest and most beautiful girl in the world! "Please add to it, Captain, the whole city of Paris will be blown up! If we are lucky! The apocalypse will not be stopped, only stalled. But they still take their guns. Why? Because for them, this is everyday life, everyday is a festival, Aohar itself! I used to work for the mafia and longed for "normal" life. But I think I can start a fun school life here, don't you?

実は俺らの世界は、密かに滅んでる真っ最中らしい。上野の不忍池に潜む異形、エッフェル塔に張りつく巨大カタツムリ、どう見ても美少女な魔王...。正体も数すら不明のナニカ―“終末”によって。けど世界の裏では、それに中指立てて闘ってる少年少女がいたんだ。「あはっ☆最強美少女ひかり様の前で神様ごときが頭が高いのだわ!」「加減してください隊長、パリ市街が吹っ飛びます!運が良ければ!」終末を停止ではなく、ただ停滞させるだけ。それでも彼らは銃を取る。なぜかって?彼らにとってはこれが日常茶飯事で、毎日がお祭りで、アオハルそのものだから!元マフィアの下働きで『普通』に憧れてた俺だけど。ここなら楽しい学園生活ってのが始まりそうじゃないか?