A brief description of the Takarakuji De 40-Oku Atattandakedo Isekai Ni Ijuu Suru manga:
At his own strong desire, or whims, Kazura decided to participate in the lottery. He was lucky and won 4 billion yen. Now, in order to avoid the terrible hyenas who are hunting for his winnings, he hides in an estate that is passed down from generation to generation by his family. There he finds himself in a strange room that moves people to another world. Culture and technology are not developed there, so from time to time Kazura brings goods from his world to him, and with them development. This is where he realizes the value of man.