Bokyaku No Rakuen 1 (Dengeki Bunko) [Light Novel]

[Machine Translation] A world where the oceans have covered most of the earth's surface after repeated conflicts. In order to control the human race, which is on the verge of extinction, every spark of conflict, from weapons to science to faith, is controlled and concealed in the paradise of oblivion known as "Lean. However, the pollutants created by the conflicts continue to eat away at the people as an incurable disease called "Old World Disease. One day, a young boy named Arum receives an order from the Supreme Government and becomes the administrator of a girl named Florite, an "Arsenon" who carries the pollutant in her body. As they gradually get to know each other, Arum learns that she has been under house arrest as a sacrifice to cure the "Old World Disease" and that there is a secret between him and her. A story of cruel and beautiful destiny of a girl with a deadly poison and a boy with sealed memories in the new world after a time of peace.

度重なる争いの後、地表の大部分を海洋が覆った世界。滅びへと向かう人類を制御するために、武器、科学、信仰まで、あらゆる争いの火種が管理・秘匿された忘却の楽園“リーン”。しかし争いが生んだ汚染物質は不治の病“旧世界病”として、いまも人々を蝕み続けていた。ある日、最高統治府からの命を受けた少年・アルムが管理者となったのは、その身に汚染物質を宿す“アルセノン”の少女・フローライト。不器用ながらも少しずつ心を通わせてゆくなかで、アルムは彼女が“旧世界病”治療のための生贄として軟禁されていたこと、そして自分と彼女のあいだにある秘密を知り―安寧の時を過ぎた新世界で、猛毒を抱えた少女と記憶を封じた少年が至る、残酷で美しい、運命の物語。