An item of furniture comprising a furniture carcass, the furniture carcass having at least one sidewall with a front face, and at least one door wing, wherein the at least one door wing is configured to be moved between a first position, in which the at least one door wing extends substantially parallel to the sidewall, and a second position, in which the at least one door wing extends substantially perpendicular to the sidewall and thereby covers at least partially the front face of the sidewall, and a guide system for guiding the at least one movably-supported door wing relative to the sidewall of the furniture carcass, the guide system including: - a carrier which, in the mounted condition, is displaceably supported relative to furniture carcass in a depth direction of the sidewall, - at least one hinge for movably supporting the at least one door wing relative to the furniture carcass, the hinge having a first fitting portion for fixing to the carrier and a second fitting portion for fixing to the at least one door wing, - wherein the first fitting portion and the second fitting portion are pivotally connected to one another, wherein the first fitting portion and the second fitting portion are configured to be moved relative to one another between a first position, in which the at least one door wing, in the mounted condition, extends substantially parallel to the sidewall and can be displaced, jointly with the carrier, in the depth direction of the furniture carcass, - wherein the first fitting portion and the second fitting portion are configured to be moved relative to one another into at least one second position, in which the at least one door wing, in the mounted condition, covers at least partially the front face of the sidewall, - wherein the hinge has four hinge axes (80a, 80b, 80c, 80d), - wherein the first fitting portion and the second fitting portion are pivotally connected to one another by a first lever and by at least one second lever, the first lever and the second lever having a different length, characterized in that a hinge axis of the second, shorter lever on the second furniture fitting is arranged closer to an outer narrow side of the door wing, the outer narrow side of the door wing extending vertically and facing towards the carrier in the first position of the fitting portions (75, 76), than a hinge axis of the longer, first lever on the second fitting portion. - a carrier which, in the mounted condition, is displaceably supported relative to furniture carcass in a depth direction of the sidewall, - at least one hinge for movably supporting the at least one door wing relative to the furniture carcass, the hinge having a first fitting portion for fixing to the carrier and a second fitting portion for fixing to the at least one door wing, - wherein the first fitting portion and the second fitting portion are pivotally connected to one another, wherein the first fitting portion and the second fitting portion are configured to be moved relative to one another between a first position, in which the at least one door wing, in the mounted condition, extends substantially parallel to the sidewall and can be displaced, jointly with the carrier, in the depth direction of the furniture carcass, - wherein the first fitting portion and the second fitting portion are configured to be moved relative to one another into at least one second position, in which the at least one door wing, in the mounted condition, covers at least partially the front face of the sidewall, - wherein the hinge has four hinge axes (80a, 80b, 80c, 80d), - wherein the first fitting portion and the second fitting portion are pivotally connected to one another by a first lever and by at least one second lever, the first lever and the second lever having a different length, characterized in that a hinge axis of the second, shorter lever on the second furniture fitting is arranged closer to an outer narrow side of the door wing, the outer narrow side of the door wing extending vertically and facing towards the carrier in the first position of the fitting portions (75, 76), than a hinge axis of the longer, first lever on the second fitting portion.