Two infantry regiments of the Imperial Japanese Army—210 men overall—tackled Mt. Hakkoda in the winter of 1902 to prepare for war with Russia.

Ken Takakuraas Captain Tokushima
Hideji Ōtakias Colonel Nakabayashi
Kinya Kitaojias Captain Kanda
Tetsuro Tambaas Colonel Kojima
Rentaro Mikunias Major Yamada
Komaki Kuriharaas Hatsuko Kanda (Captain Kanda's wife)
Akira Hamadaas Lieutenant Tanabe
Mariko Kagaas Taeko Tokushima (Captain Tokushima's wife)
Yūzō Kayamaas Captain Kurata
Kumiko Akiyoshias Sawa Takiguchi (Guide)