When I was living a neat life, I was supposed to have died suddenly due to my daily life, but when I woke up, I was a baby. Apparently, he was reincarnated in a different world where magic exists. Born as the son of a lord of a remote village, I walked my second life surrounded by a beautiful mother, Carla, a busty maid and nanny, Ruina, and a beautiful sister, Amelia, who has no blood. As a teenager, I have grown up and enjoyed everyday life in a different world by making full use of the world's top level magic power and modern knowledge...!?