[DeepL Translation - needs review] Introduction to Volume 1: Kazuya, a boy who lost his older sister in a battle with an "interdimensional entity" that attacked mankind, is enrolled in "Xenetics," a school for interdimensional entity operations.
There, boys and girls compete against each other in preparation for battle against an unknown enemy!
Kazuya feels that Satellizer, the strongest female student at the school, reminds him of his older sister, and he tries to get close to her. ......
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