Tou no Kanri wo Shite Miyou

Kosuke dies in a truck accident and finds himself in a garden with two attractive girls. The garden's owner offers him a choice between rebirth or being summoned to another world, and he chooses the latter. In this new world, the two girls were designed by the garden's owner to assist him in uncovering the mystery of a Dungeon tower. The story centers on whether he can take control of the tower and manage it.