A toner case includes a case main body, a second rotator and a case side joint. The case main body contains a toner supplied to a development device which includes a first rotator. The second rotator is disposed inside the case main body. The case side joint couples the second rotator to the first rotator. The case main body includes a case having a case side bonded area and a lid having a lid side bonded area. The lid has a lid main body, a rotator storage and a joint storage. The lid main body includes a circumferential edge around which the lid side bonded area is formed. The rotator storage extends inside the circumferential edge and stores the second rotator. The joint storage is connected to the rotator storage and formed so as to avoid the lid side bonded area. The joint storage stores the case side joint.