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We report on time-resolved CCD photometry during the 2005 June outburst of adwarf nova, ASAS160048-4846.2. The observed light curves unambiguously showedembryonic humps with a period of 0.063381(41) days, after which genuinesuperhumps emerged with a period of 0.064927(3) days. Based on evidence fordouble-peaked humps in the earlier stage of the outburst, this object might bequalified as the seventh member of WZ Sge-type dwarf novae after Var Her 04. Ifthe former period is the same as, or very close to the orbital period of thesystem, as in other WZ Sge systems, the fractional superhump excess is about2.4${%}$. This value is unexpectedly larger than that of other WZ Sge-typedwarf novae. The early phase of our observing run provided evidence for thetransition from chaotic humps to genuine superhumps, together with increasingthe amplitude.Comment: 4 pages, 6 figures, submitted to PAS

Discovery of a Promising Candidate of WZ Sge-Type Dwarf Novae, ASAS 160048−4846.2: Evidence for Double-Peaked Humps