Kou 1 Desu ga Isekai de Joushu Hajimemashita高1ですが異世界で城主はじめました; I'm a High Schooler, But I Became an Owner of a Castle in Another World; 고 1 그렇지만이 세계에서 성주 시작했습니다; 高一就是异世界的城主; Высокий замок в ином мире

Accidentaly summoned by an ancient map, first year high school student, Kiyokawa Hiroto is forced by the arrogant Lord of the castle to exterminate the vampire that has been haunting his castle. Unexpectedly befriending a girl from Mummy tribe, Hiroto skillfully managed to capture the Vampire with her help. However, he is soon framed by the Lord of the castle. Bravely and kindly aiming to be a Lord, the fantasy of summoned to another world starts!"