It Starts With A Mountain is a Manga/Manhwa/Manhua in (English/Raw) language, Action series, english chapters have been translated and you can read them here. The Summary is It starts with a mountain. A strategic leader gets isekai-ed into a war dynasty. He only has a group of members who were planning to ditch him. Facing this war era, he thinks of stealing food and girls to live a king’s life. He is hot-blooded, picks fights with war heroes. How will he bring chaos to the war? Will he be able to rise up high?