Item Cheat na Dorei Harem Kenkokuki
Independence of a Slave Harem With Item-cheating·アイテムチートな奴隷ハーレム建国記
A high school student named Rindou Shouma is summoned to the world of Astral, where outcomes are determined by duels known as the "Oracle Game." He discovers that the card game's rules are identical to one he is already skilled in. Confident in his abilities, Shouma aims to build a paradise for freed slaves. Using his card game prowess, he establishes a harem kingdom, leading to the story of a slave harem achieving independence through the use of item-based advantages.