Tenkuu no Shiro o Moratta no de Isekai de Tanoshiku Asobitai

A holy messenger committed an error, coming about in Shiihara Daiki's passing. So as to shroud the error, he was then sent to an alternate world. The holy messenger will give him one wish as an installment for staying quiet about it. Daiki requested a Heavenly Castle coasting in the sky decisively. Unexpectedly a skimming manor showed up in the new world, which creates turmoil among the individuals. They endeavor to contact Daiki in different manners. A nation attempts to take it forcibly, while another looks to get to know him. What on the planet will Daiki do?