A toner case (15, 151, 171, 181) comprising: a case main body storing a toner; a rotator (22, 23) stored in the case main body and rotating around a rotation axis (X, Y); and a transmitter arranged outside the case main body and transmitting rotation to the rotator (22, 23), the toner case (15, 151, 171, 181) comprises: a moving mechanism (26, 153, 182) which is configured to move the transmitter between a first position and a second position which is arranged further away from the first position in a rotation axis direction of the rotator (22, 23), pointing to an outside of the case main body, and a cover covering an outside of the case main body in the rotation axis direction, wherein the moving mechanism (26, 153, 182) includes a holder (64, 186) holding the transmitter, as the holder (64, 186) moves with respect to the case main body, the transmitter is configured to move between the first position and the second position, wherein the transmitter is configured to move, with respect to the case main body, linearly along the rotation axis direction between the first position and the second position, the transmitter includes a transmitting coupling provided at an outside end in the rotation axis direction, the cover includes a through hole provided at a plane crossing the rotation axis direction, characterized in that the toner case is configured such that an entirety of the transmitter is retracted to an inside of the thorugh hole of the cover in a state where the transmitter is held in the first position, and the transmitting coupling of the transmitter protrudes to an outside of the through hole of the cover in the rotation axis direction to transmit, to the rotator (22, 23), rotation transmitted from the outside of the through hole in a state where the transmitter is held in the second position. a case main body storing a toner; a rotator (22, 23) stored in the case main body and rotating around a rotation axis (X, Y); and a transmitter arranged outside the case main body and transmitting rotation to the rotator (22, 23), the toner case (15, 151, 171, 181) comprises: a moving mechanism (26, 153, 182) which is configured to move the transmitter between a first position and a second position which is arranged further away from the first position in a rotation axis direction of the rotator (22, 23), pointing to an outside of the case main body, and a cover covering an outside of the case main body in the rotation axis direction, wherein the moving mechanism (26, 153, 182) includes a holder (64, 186) holding the transmitter, as the holder (64, 186) moves with respect to the case main body, the transmitter is configured to move between the first position and the second position, wherein the transmitter is configured to move, with respect to the case main body, linearly along the rotation axis direction between the first position and the second position, the transmitter includes a transmitting coupling provided at an outside end in the rotation axis direction, the cover includes a through hole provided at a plane crossing the rotation axis direction, characterized in that the toner case is configured such that an entirety of the transmitter is retracted to an inside of the thorugh hole of the cover in a state where the transmitter is held in the first position, and the transmitting coupling of the transmitter protrudes to an outside of the through hole of the cover in the rotation axis direction to transmit, to the rotator (22, 23), rotation transmitted from the outside of the through hole in a state where the transmitter is held in the second position. a moving mechanism (26, 153, 182) which is configured to move the transmitter between a first position and a second position which is arranged further away from the first position in a rotation axis direction of the rotator (22, 23), pointing to an outside of the case main body, and a cover covering an outside of the case main body in the rotation axis direction, wherein the moving mechanism (26, 153, 182) includes a holder (64, 186) holding the transmitter, as the holder (64, 186) moves with respect to the case main body, the transmitter is configured to move between the first position and the second position, wherein the transmitter is configured to move, with respect to the case main body, linearly along the rotation axis direction between the first position and the second position, the transmitter includes a transmitting coupling provided at an outside end in the rotation axis direction, the cover includes a through hole provided at a plane crossing the rotation axis direction, characterized in that the toner case is configured such that an entirety of the transmitter is retracted to an inside of the thorugh hole of the cover in a state where the transmitter is held in the first position, and the transmitting coupling of the transmitter protrudes to an outside of the through hole of the cover in the rotation axis direction to transmit, to the rotator (22, 23), rotation transmitted from the outside of the through hole in a state where the transmitter is held in the second position.