Japanese equities climbed at Friday's open following news of a tentative 60-day ceasefire extension and renewed nuclear talks between the US and Iran.
The Nikkei 225 rose 440.9 points or 0.7% to reach 65,133.97 at the opening bell.
Oil prices eased slightly on Friday, with Brent crude falling 0.6% to settle at $93.71 a barrel. The development fueled cautious optimism that the three-month-long conflict could be moving toward a resolution, although President Donald Trump has not yet approved the terms.
At home, Tokyo's core consumer price index, which excludes fresh food, rose 1.3% in May from a year earlier, marking the slowest pace in four years. The latest print complicates efforts by Bank of Japan policymakers to build a case for raising interest rates as early as next month.