Welcome to Demon School, Iruma-kun Vol. 18, 19, 20 "Without Obi" Vol. 31, 32, 35 "With Obi" Also, Vol. 32 and 35 have bonuses. Mafia version Vol. 1 only, with bonus and obi. * The volumes are not consecutive. * I've read them once. I didn't see any folded or dirty parts on the outside. * Selling them individually will be more expensive. I might offer a small discount if someone is considering buying them. Please refrain from purchasing if you are looking for new items. Thank you for looking!