Yama to Shokuyoku to Watashi: Extremers

A spin-off anthology from the wildly popular mountain manga series, which has sold over 2.5 million copies in total, is now available. This non-fiction documentary comic, a collaboration between an extreme challenger and a manga artist, focuses on food in harsh environments! Experience the adventure of pushing yourself to your limits, armed with food appropriate for the environment. Let's go to the extreme!
(Source: Shinchosha, translated)
Note: Includes one extra chapter.