A Gate Opened on my First Day as a Politician

Reading A Gate Opened on my First Day as a Politician manhwa, A Gate Opened on my First Day as a Politician manga with alternative name: 任期初日にゲートが開いた / 임기 첫날에 게이트가 열렸다 with Description: As a young politician takes his oath of office, a portal suddenly appears above the city of Seoul, unleashing a torrent of monsters. Our protagonist must rely on his intelligence and the support of his fellow politicians to survive and save the city from destruction.