What are some unique things about the 37th largest city in Japan? Does it have anything in common with the 76th largest city in China?
In 2021 the 37th largest city in Japan is Akita City. Akita City is the capital of Akita Prefecture and is located in the Tohoku region on the island of Honshu. Some unique things about Akita City include:

Kanto Festival: This is one of the major festivals in the Tohoku region, held in August, where participants balance large bamboo poles with lanterns attached to them.
Akita Inu: The city is known for the Akita Inu dog breed, which is native to the region and a symbol of loyalty and affection.
Oga Peninsula: Akita City is close to the Oga Peninsula, which is famous for its hot springs, rugged coastline, and Namahage folklore.
Based on the 2021 population data, the 76th largest city in China could be Suqian, a prefecture-level city in Jiangsu Province. Some unique features of Suqian include:

Luoma Lake: Suqian is known for its picturesque Luoma Lake, which is a popular tourist destination with a rich ecosystem.
Historical sites: Suqian is home to several historical sites, including the tomb of Xiang Yu, the prominent Chu-Han Contention leader, and the Suqian Confucius Temple.
Agriculture: Suqian is an agricultural city with fertile land, and it is known for producing high-quality rice and other crops.