Takarakuji de 40-oku Atattanda kedo Isekai ni Ijuusuru

Kazura was selected as the winner on a lottery that he bought on a whim, and received 4 billion yen. To evade the hyenas that smelled the scent of his money, Kazura took refuge at an old residence that had been handed down from generation to generation in his family.
When Kazura was investigating the place that would become his shelter, he stu...