TRIGGER (2022) is a Manga/Manhwa/Manhua in (English/Raw) language, ACTION series, english chapters have been translated and you can read them here. You are reading chapters on ManhwaZ fastest updating comic site. The Summary is
Once upon a time, there was a girl who had no father and no mother. She became an expert with a pistol. She even went to war. She was given the name TRIGGER. Now, this girl… Why did she kill so many people in the war that took her parents away?