アイテムチートな奴隷ハーレム建国記 (Associated Names)

The male high school student Rindou Shouma was summoned to the other world Astral where Duels decide everything. However, the rules of the card game were exactly the same as a card game Shouma was already good at! In the Duels, the absolutely undefeated Shouma aimed to create his own paradise full of liberated slaves.…