Light Novel (Other) I was given a castle in the sky, so I want to enjoy myself in another world (1) Overlap novells

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The best castle and the Go Rem Corps help people with ease! A young man, Daiki Shiibara, who lost his life due to an angel's mistake. In order to apologize for his mistake, he was able to make one wish come true and then be reborn into another world. Then what Daiki wanted - Ame no Sorajo. When he woke up, he floated in the sky of another world, had a protective barrier that could not be defeated by dragons, and became the lord of the strongest air fortress that deploys many Go Rem. However, no matter how far he went in the sky over the sea, he could not even see the land. In such a situation, he finally found Eira, a daughter of a self-described town. But it seems that there is something wrong with her. She leads the Ame no Sorajo and the Go Rem Corps to travel around the world and open a fantasy of another world!