[Machine Translation] Karafuto is a very dangerous place. Sugimoto's group arrives at Sakhalin Island and encounters new animals, culture, and environment! From Honshu to Hokkaido and from Hokkaido to Sakhalin. Wolverine, Suchenka, Vanya The immortal Sugimoto's survival strategy begins! If they do not part, they will never meet again. The story of their journey, Volume 15: !!!!!!!