You are reading A Monstrous First Day (Official) manga, one of the most popular manga covering in Manhwa, Shounen, Action, Drama, Monsters, Super Power genres, written by Piajoa at ManhuaScan, a top manga site to offering for read manga online free. A Monstrous First Day (Official) has 21 translated chapters and translations of other chapters are in progress. Lets enjoy.
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Secretary Han Seungmoon ran for office with no hope of winning, but when his opponent's unexpected arrest makes him the victor, he winds up as the youngest assemblyman in South Korea. As he's being sworn into office, he thinks his life couldn't get any better... but that all comes crashing when a monster falls through the roof of the National Assembly! Now, with an eerie blue gate unleashing horrors onto the city, Seungmoon and his party members must find a way to save Seoul from destruction.