Tenkuu no Shiro wo Moratta no de Isekai de Tanoshiku Asobitai
天空の城をもらったので異世界で楽しく遊びたい
A mistake by an angel leads to Shiihara Daiki's death, and to conceal the error, he is sent to another world. As compensation for his secrecy, the angel offers him one wish, which Daiki uses to request a floating Heavenly Castle. The sudden appearance of the castle in the new world causes confusion and draws attention from its inhabitants. People attempt to reach out to Daiki through various means. One nation tries to seize the castle by force, while another attempts to establish friendly relations. The question remains of how Daiki will respond.