A ceremony was held on Saturday to mark the completion of the Tokyo Aquatics Centre, which will host swimming competitions in next year's Olympic and Paralympic Games.
The metropolitan government spent about 540 million dollars to build the venue, where 15,000 seats, including temporary ones, will be set up for the games.
The animated movie "Kimetsu no Yaiba," or "Demon Slayer," has broken box office records in Japan.
The film based on a hit manga series hit cinemas across Japan last Friday.
The 28-year-old Shodai has won his first title in the Autumn Grand Sumo Tournament, with 13 wins and two losses.
Shodai, who holds the third-highest rank of Sekiwake, clinched the Emperor's Cup on the final day on Sunday by beating his immediate runner-up, rank-and-file Tobizaru.
Japan's prime minister and the head of the International Olympic Committee have agreed to work closely to hold next year's Tokyo Olympics and Paralympics safely.
Prime Minister Suga Yoshihide and IOC President Thomas Bach spoke by phone for about 15 minutes on Wednesday. The talks were their first since Suga took office as prime minister last week.
Baseball stadiums in Japan welcomed back more fans on Saturday as a spectator limit of 5,000 people was eased.
Organizers of professional baseball games can now fill up to half the capacity of stadiums.
Japanese tennis star Osaka Naomi has shot up to Number Three in the latest ATP world rankings.
The rankings were announced on Monday, shortly after Osaka won the Women's Singles at the US Open over the weekend. She was ranked ninth as she competed for the Grand Slam title.
Olympic hammer throwing gold medalist Murofushi Koji is assuming the post of Japan's Sports Agency commissioner.
The education and sports ministry said on Friday that Murofushi will replace current commissioner Suzuki Daichi on October 1.
Eighteen sumo wrestlers at the Tamanoi stable in Tokyo have been confirmed to have the coronavirus.
The Japan Sumo Association says 32 wrestlers were tested after a rank-and-filer at the sumo stable was confirmed to be infected on Saturday. Eighteen of them tested positive, including a Juryo division wrestler, Fujiazuma.
Japan is considering ways to ease coronavirus restrictions for athletes and officials taking part in the Tokyo Olympics and Paralympics scheduled for next year.
The Games were postponed this year due to the pandemic.
The Japanese government is considering exempting a mandatory two-week quarantine for athletes who will arrive in Japan for next year's Tokyo Olympics and Paralympics.
The government has drafted a plan to ease regulations involving the coronavirus pandemic for the Tokyo Games that have been postponed until next year.
The Olympic flame for the postponed Tokyo Games will be put on public view in a Tokyo museum, starting on Tuesday.
A ceremony marking the event was held on Monday at the Japan Olympic Museum in Shinjuku Ward.
The latest sumo rankings were released on Monday ahead of the Autumn Grand Sumo Tournament, which opens on September 13 in Tokyo.
Daieisho, who recorded 11 wins and four losses as a Komusubi wrestler in the previous tournament, has been promoted to Sekiwake, the third highest rank.
The Tokyo Olympics have been shrouded in uncertainty due to the COVID-19 crisis, but for Baseball fans, they can’t come quick enough. 
Japanese tennis pro Nishikori Kei has revealed that he has tested positive for the coronavirus and will skip a tournament later this month.
Nishikori announced on his official mobile app that he learned of the test result on Sunday morning. He noted that he will take another test on Friday and announce its result.