A toner set, comprising: at least one chromatic toner containing a colorant; and a transparent toner containing no colorant, wherein the chromatic toner and the transparent toner each include a releasing agent and a binder resin containing a crystalline resin and a non-crystalline resin, wherein each toner of the toner set incorporates a gel component which is insoluble to tetrahydrofuran due to a crosslinked structure present in the binder resin of the toner wherein an amount of a tetrahydrofuran insoluble matter in the transparent toner is smaller than an amount of a tetrahydrofuran insoluble matter in the chromatic toner as determined by (i) 3g each of the transparent toner and the chromatic toner of the toner set is weighed and defined as A (g); (ii) each toner is charged into cylindrical filter paper (inner diameter: 24 mm) having a known mass, and the cylindrical filter paper is set to an extraction tube; (iii) 200 ml of tetrahydrofuran is added to a flask which is equipped with a condenser is immersed in a mantle heater, and the THF is refluxed at 60°C; (iv) the THF is dropped to each toner through the condenser, and the THF soluble matter of the toner is extracted in the flask; (v) after extraction at 60°C for 8 hours, the THF serving as a liquid for extraction is evaporated under reduced pressure, and the residue remaining on the cylindrical filter paper (THF insoluble matter) is weighed; (vi) the obtained value is defined as B (g); the measurement for the values A and B is performed 5 times in total and the values A and B is an average of the 5 values obtained for each; and wherein the chromatic toner and the transparent toner each comprise a crystalline polyester resin, and wherein an amount of the crystalline polyester resin in the transparent toner is greater than an amount of the crystalline polyester resin in chromatic toner. at least one chromatic toner containing a colorant; and a transparent toner containing no colorant, wherein the chromatic toner and the transparent toner each include a releasing agent and a binder resin containing a crystalline resin and a non-crystalline resin, wherein each toner of the toner set incorporates a gel component which is insoluble to tetrahydrofuran due to a crosslinked structure present in the binder resin of the toner wherein an amount of a tetrahydrofuran insoluble matter in the transparent toner is smaller than an amount of a tetrahydrofuran insoluble matter in the chromatic toner as determined by (i) 3g each of the transparent toner and the chromatic toner of the toner set is weighed and defined as A (g); (ii) each toner is charged into cylindrical filter paper (inner diameter: 24 mm) having a known mass, and the cylindrical filter paper is set to an extraction tube; (iii) 200 ml of tetrahydrofuran is added to a flask which is equipped with a condenser is immersed in a mantle heater, and the THF is refluxed at 60°C; (iv) the THF is dropped to each toner through the condenser, and the THF soluble matter of the toner is extracted in the flask; (v) after extraction at 60°C for 8 hours, the THF serving as a liquid for extraction is evaporated under reduced pressure, and the residue remaining on the cylindrical filter paper (THF insoluble matter) is weighed; (vi) the obtained value is defined as B (g); (i) 3g each of the transparent toner and the chromatic toner of the toner set is weighed and defined as A (g); (ii) each toner is charged into cylindrical filter paper (inner diameter: 24 mm) having a known mass, and the cylindrical filter paper is set to an extraction tube; (iii) 200 ml of tetrahydrofuran is added to a flask which is equipped with a condenser is immersed in a mantle heater, and the THF is refluxed at 60°C; (iv) the THF is dropped to each toner through the condenser, and the THF soluble matter of the toner is extracted in the flask; (v) after extraction at 60°C for 8 hours, the THF serving as a liquid for extraction is evaporated under reduced pressure, and the residue remaining on the cylindrical filter paper (THF insoluble matter) is weighed; (vi) the obtained value is defined as B (g);