CNN International correspondent Hanako Montgomery is experiencing a unique trial inside a human-sized refrigerator designed to provide a break from Japan's severe summer heat.

This initiative comes as Japan faces repeated and intense heatwaves, prompting authorities to innovate unconventional solutions to protect citizens.

The developer of the human refrigerator explained that its purpose is to serve outdoor workers such as construction workers and event coordinators, contributing to Japan's efforts to reduce heatstroke-related deaths.

Temperatures in Tokyo reached around 38 degrees Celsius this week, while other areas recorded even higher readings. The Japan Meteorological Agency has coined the term 'Kokushobi' or 'extremely hot days' for days when temperatures exceed 40 degrees Celsius or 104 degrees Fahrenheit.

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Japan is one of the countries most affected by climate change, recording record temperatures in recent years. This refrigerator comes as an urgent solution to protect the most vulnerable groups such as construction workers. Reports indicate a rise in heat-related deaths in Japan, necessitating further innovations. The new term 'Kokushobi' reflects the severity of the country's climate situation. The uses of this technology are expected to expand in the future.