Ōshū, Japan — Steam rose as hundreds of naked men tussled over a bag of wooden talismans, performing a dramatic end to a thousand-year-old ritual in Japan that took place for the last time. Their passionate chants of “Jasso, joyasa” (meaning “Evil, be gone”) echoed through a cedar forest in northern Japan’s Iwate region, where the secluded Kokuseki Temple has decided to end the popular annual rite. Organizing the event, which draws hundreds of participants and thousands of tourists every year, has become a heavy burden for the aging local faithful, who find it hard to keep up with the rigors of the ritual. The “Sominsai” festival, regarded as one of the strangest festivals in Japan, is the latest tradition impacted by the country’s aging population crisis that has hit rural communities hard. “It is very difficult to organize a festival of this scale,” said Daigo Fujinami, a resident …