A refrigerator comprising: a first storage compartment comprising a first storage space defined therein; an inner door to open and close the first storage space, wherein the inner door comprises an inner door receiving space defined therein; a receiving casing attached to a rear face of the inner door to separate the first storage space from the inner door receiving space; and an outer door pivotally attached to the inner door to open and close the inner door receiving space, wherein the receiving casing comprises: a frame (410, 420, 430) surrounding the inner door receiving space, wherein the frame (410, 420, 430) includes a first lateral frame and a second lateral frame arranged in a symmetrical manner, wherein the inner door receiving space is defined between the first and second lateral frames; an upper frame coupled to a top surface of each of the first and second lateral frames; and a lower frame coupled to a bottom surface of each of the first and second lateral frames, and wherein the frame (410, 420, 430) comprises a cold-air hole formed therein for introducing cold air from the first storage space into the inner door receiving space; and a transparent plate attached to the frame (410, 420, 430) to separate the inner door receiving space from the first storage space, the refrigerator being characterised in that the transparent plate is fixedly attached, via a separate adhesive member, to a lateral adhered face of each of the lateral frames, an upper adhered face of the upper frame, and a lower adhered face of the lower frame. a first storage compartment comprising a first storage space defined therein; an inner door to open and close the first storage space, wherein the inner door comprises an inner door receiving space defined therein; a receiving casing attached to a rear face of the inner door to separate the first storage space from the inner door receiving space; and an outer door pivotally attached to the inner door to open and close the inner door receiving space, wherein the receiving casing comprises: a frame (410, 420, 430) surrounding the inner door receiving space, wherein the frame (410, 420, 430) includes a first lateral frame and a second lateral frame arranged in a symmetrical manner, wherein the inner door receiving space is defined between the first and second lateral frames; an upper frame coupled to a top surface of each of the first and second lateral frames; and a lower frame coupled to a bottom surface of each of the first and second lateral frames, and wherein the frame (410, 420, 430) comprises a cold-air hole formed therein for introducing cold air from the first storage space into the inner door receiving space; and a transparent plate attached to the frame (410, 420, 430) to separate the inner door receiving space from the first storage space, the refrigerator being characterised in that the transparent plate is fixedly attached, via a separate adhesive member, to a lateral adhered face of each of the lateral frames, an upper adhered face of the upper frame, and a lower adhered face of the lower frame. a frame (410, 420, 430) surrounding the inner door receiving space, wherein the frame (410, 420, 430) includes a first lateral frame and a second lateral frame arranged in a symmetrical manner, wherein the inner door receiving space is defined between the first and second lateral frames; an upper frame coupled to a top surface of each of the first and second lateral frames; and a lower frame coupled to a bottom surface of each of the first and second lateral frames, and wherein the frame (410, 420, 430) comprises a cold-air hole formed therein for introducing cold air from the first storage space into the inner door receiving space; and a transparent plate attached to the frame (410, 420, 430) to separate the inner door receiving space from the first storage space, the refrigerator being characterised in that the transparent plate is fixedly attached, via a separate adhesive member, to a lateral adhered face of each of the lateral frames, an upper adhered face of the upper frame, and a lower adhered face of the lower frame.