The previous page is sending you to https://www.urasshii.com/?map=%E3%81%82%E3%81%A3%E3%81%9F%E3%81%8B%E3%83%9B%E3%83%BC%E3%83%A0%E3%80%80%E5%8D%97%E5%8D%81%E5%AD%97.

 If you do not want to visit that page, you can return to the previous page.