Ten years ago, the major earth-shaking “First Summer of Love” event occurred. Renton, who lost his father during the event, now attends the army school of the United Federation of Predgio Towers located in the border town of Bellforest. Because his late father is still praised, Renton feels something is lacking as he continues with his ordinary, boring days. Then one day, Nirvash, the world's oldest LFO, appears in front of him and a girl named Eureka emerges from the cockpit. This was the beginning of the future of humans and Scub Coral, another intelligent lifeform.
Was this encounter all just a coincidence? Or was it fate? Where will Renton and Eureka's journey end?
十年前，发生了震撼世界的重大事件“第一次爱之夏”。兰顿失去了他的父亲阿德洛克，现在已经在边境城镇贝尔福雷斯特参加了塔州联盟军校。被称赞为英雄的已故父亲。 什么都没有的单调日常。兰顿身边的一切都很闷。 但在兰顿面前，世界上最古老的LFO尼尔瓦修突然出现。 从驾驶舱出 现的是优莱卡。兰顿和优莱卡的旅程将在哪里结束？
