To provide a printing system capable of performing toner adhesion for achieving saddle stitch binding by thermal fusion bonding.

The information processing device which generates a printing instruction for printing a content of printing data and for adhering a toner used for performing thermal fusion bonding, includes: a saddle stitch condition accepting means for accepting a condition for adhering the toner for achieving saddle stitch binding as thermal fusion bonding using the toner; a printing instruction accepting means for accepting the printing instruction with respect to the printing data; and a printing instruction generating means for adding additional printing data for adhering the toner along a line segment of bent paper in accordance with the condition accepted by the saddle stitch condition accepting means, for the printing data accepted by the printing instruction accepting means.