作品故事描述，某人把「球」放进这片土地。具备收集情报的机能，还可以变换各种外貌，那个球体甚至连死亡都能超越。某天，它遇见了少年，之后又分开。光线、味道、声音、温度、痛苦、喜悦、哀伤……在这个充满刺激的世界里徘徊，展开一段永恒之旅。由大今良时所着漫画作品《给不灭的你》，官方于今1月9日宣布改编电视动画的消息，预定将于10月在日本开播。
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