Shiro to Kuro no Densetsu ~Asuka Hen~

The final part of the trilogy "Shiro to Kuro no Densetsu" takes us into the 199X-th year. Humanity is on the verge of extinction because of mysterious climate catastrophe. The city lay in ruins, food supplies running out, day temperatures reach +50, and at night drops to -40 degrees. Rumor has it that all of these events are associated with the advent of the demons in our world and are signs of impending apocalypse. Brave group decides to use the last hope and goes into the mountains in search of a mythical temple, which according to legend hid all the answers.