Nihyakutouka (210 Days) is a novel by Natsume Soseki. It was published in Chyuoukouron Magazine on Oct/1906. It was included in Uzurakago and published on Dec/1906. This is a novel consisted by conversation between two young men, Kei san & Rokusan, who climb Mt. Aso. (Summary by Wikipedia, translated by ekzemplaro)