Tensei Shitara Heimin deshita. ~Seikatsu Suijun ni Taerarenai no de Kizoku wo Mezashimasu~

He found himself reincarnated as Leon, an eight-year-old boy in another world. At first Leon was excited to be reborn in another world with magic, but gradually he realized that he had been reborn as a commoner and that his life was in many ways more inconvenient than it was in the present day. He was wondering if there was any way to improve his life, when he learned that if he became a nobleman, he would be able to use flushing toilets and baths with magical tools. If this is the case, he has no choice but to become a nobleman! A slow-life fantasy in which a commoner boy who is reborn in another world uses his knowledge of the modern world to achieve a comfortable life!