Japan has a new sumo grand champion, Onosato. He is the first Japanese sumo wrestler to become a yokozuna since 2017. Sumo has been mostly won by Mongolian wrestlers lately. Onosato weighs 191 kilograms and is 24 years old. His real name is Daiki Nakamura. He became the top sumo wrestler after winning a big tournament. He is from Ishikawa, a place that had a bad earthquake and tsunami in 2024. Onosato wants to help the people in his hometown. He will compete with Hoshoryu, another yokozuna from Mongolia, in a tournament in July.