Another World in Japan

Another World in Japan ~The Third Son of the Assassin Family Reigns Supreme in a Transformed Japan~, Isekai Nihon, Isekai Nihon - Ansatsu Ikka no Sannan wa Ikaika shita Nihon de Musou suru, Isekai Nihon - Ansatsu Ikka no Sannan wa Ikaika shita Nihon de Musou suru -, Outro mundo no Japão, Un altro mondo in Giappone, 异世界日本, 異世界日本, 異世界日本～暗殺一家の三男は異界化した日本で無双する～