Heavenly Castle

Heavenly Castle is a captivating Japanese web novel that follows the story of Shiihara Daiki, who meets an angel that mistakenly causes his death, leading to his transportation to a different world. In exchange for keeping the error a secret, Daiki is granted one wish by the angel, choosing a Heavenly Castle floating in the sky. The appearance of the castle sparks intrigue and conflict in the new world, with various factions attempting to interact with Daiki in different ways. As the plot unfolds, Daiki's decisions and the consequences he faces keep readers engaged in this blend of fantasy, harem, and slice of life genres.