A bookbinding tape cassette comprising: a bookbinding tape roll that winds a bookbinding tape having a dimension in a thickness direction around an outer periphery of a winding member provided with a predetermined axis, the bookbinding tape including a base layer and a hot melt adhesive layer that is provided on one side from said base layer in said thickness direction, the hot melt adhesive layer being formed of a hot melt adhesive applied so that a surface of the hot melt adhesive layer on the one side in said thickness direction becomes smooth, the hot melt adhesive being configured to melt at a temperature of a predetermined melting point or more so as to exert adhesiveness; a guide shaft for guiding said bookbinding tape fed out of said bookbinding tape roll; and a housing configured to accommodate said bookbinding tape roll and said guide shaft therein, characterized in that said bookbinding tape fed out of said bookbinding tape roll is able to be continuously supplied to an outside of said housing; said bookbinding tape cassette further comprises: a ribbon supply roll provided inside said housing and configured to feed out an ink ribbon to be overlapped with said bookbinding tape for thermal transfer of ink to the bookbinding tape; and a ribbon take-up roll provided inside said housing and configured to take up used ink ribbon after print formation; said bookbinding tape has a transfer-receiving layer provided adjacently on the other side of said base layer in said thickness direction and formed of a transfer-receiving material capable of print formation by said thermal transfer from said ink ribbon. a bookbinding tape roll that winds a bookbinding tape having a dimension in a thickness direction around an outer periphery of a winding member provided with a predetermined axis, the bookbinding tape including a base layer and a hot melt adhesive layer that is provided on one side from said base layer in said thickness direction, the hot melt adhesive layer being formed of a hot melt adhesive applied so that a surface of the hot melt adhesive layer on the one side in said thickness direction becomes smooth, the hot melt adhesive being configured to melt at a temperature of a predetermined melting point or more so as to exert adhesiveness; a guide shaft for guiding said bookbinding tape fed out of said bookbinding tape roll; and a housing configured to accommodate said bookbinding tape roll and said guide shaft therein, said bookbinding tape fed out of said bookbinding tape roll is able to be continuously supplied to an outside of said housing; said bookbinding tape cassette further comprises: a ribbon supply roll provided inside said housing and configured to feed out an ink ribbon to be overlapped with said bookbinding tape for thermal transfer of ink to the bookbinding tape; and a ribbon take-up roll provided inside said housing and configured to take up used ink ribbon after print formation; said bookbinding tape has a transfer-receiving layer provided adjacently on the other side of said base layer in said thickness direction and formed of a transfer-receiving material capable of print formation by said thermal transfer from said ink ribbon. a ribbon supply roll provided inside said housing and configured to feed out an ink ribbon to be overlapped with said bookbinding tape for thermal transfer of ink to the bookbinding tape; and a ribbon take-up roll provided inside said housing and configured to take up used ink ribbon after print formation; said bookbinding tape has a transfer-receiving layer provided adjacently on the other side of said base layer in said thickness direction and formed of a transfer-receiving material capable of print formation by said thermal transfer from said ink ribbon.