Japanese Prime Minister Takaichi and South Korean President Lee Jae-myung met on May 19th and agreed to strengthen cooperation in both economic and security fields, highlighting growing alignment between the two countries as instability spreads across the Middle East and uncertainty deepens over the future direction of U.S.-China relations. (News On Japan)

Copper roofing panels were stolen from several shrines in Hamamatsu, Shizuoka Prefecture, including a city-designated cultural property, in the latest case amid a nationwide surge in copper thefts targeting shrines and temples across Japan, where soaring metal prices have fueled crimes that leave historic religious buildings damaged, exposed to the elements, and facing repair costs of millions of yen. (News On Japan)

A man who visited a police station in Hiratsuka, Kanagawa Prefecture, in the early hours of May 21st allegedly sprayed a transparent liquid inside the building, causing six police officers to complain of eye and throat pain and be taken to hospital with minor injuries. (News On Japan)

The Nikkei Stock Average surged by more than 2,100 points at one stage in trading on May 21st, with the benchmark index continuing to trade above the 61,000 level in the Tokyo stock market. (News On Japan)

As aging underground infrastructure becomes an increasing concern across Japan, the city of Yokkaichi in Mie Prefecture has developed a digital underground map designed to improve the management of sewer, water, gas, and electrical systems. (News On Japan)

Traditional ukai cormorant fishing, a seasonal custom signaling the arrival of early summer, began on May 20th along the Chikugo River in Asakura, Fukuoka Prefecture, following the opening of ayu sweetfish fishing on the river that flows through southern Fukuoka. (News On Japan)

Sumitomo Mitsui Banking Corporation and Toshiba announced on May 20th that they had jointly developed a new stock index utilizing quantum technology. (News On Japan)

TOTO, a major Japanese manufacturer of housing and bathroom equipment, reopened its showroom in London, England, on May 20th after undergoing its first major renovation in 16 years. (News On Japan)