A toner, a developing method and apparatus is provided to satisfy both the low temperature fixation property and the hot offset property and that has a wide range of fixing temperature. The toner for an image formation comprises at least metal materials in a binding resin, wherein the toner is measured by a stand-alone type flow tester, and has a softening temperature of 65˜77.5° C., a flow beginning temperature of 100˜120° C., a melt temperature by a ½ method is 145˜195° C., and an average length of a short axis of a primary particle of the metal materials is 0.01˜0.4 μm.