A waste toner storage case includes a case main body, a waste toner path, a conveyance portion, a conversion portion, and a moving member. The waste toner path is provided in the case main body. The conversion portion converts a rotary motion into a reciprocating motion in conjunction with a rotation of the rotation shaft. The moving member is coupled with the conversion portion, reciprocatingly moves in a direction along the inclined guide surface in accordance with the reciprocating motion from the conversion portion, and includes: a first extending portion extending from the coupling portion to the reception port; and a second extending portion extending from the coupling portion to the reception port to make a predetermined angle with respect to the first extending portion in a first direction separating from the inclined guide surface.
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