new manga books, paperback, bought but never read, perfect condition. books 1, 2, 3, and 5 from the demon slayer manga series. each is $13 if you want to buy one separately. let me know if you want to buy them separately so i can make a new listing! synopsis: the story is set in the Taisho Era (1912- 1926) when Japan is infested by human- devouring “oni" demons. A demon slaughters the family of the protagonist, Tanjiro, whose younger sister, Nezuko, is transformed into an oni herself. He fights demons to bring her back to human form.