The Small Tatami of the Great Plain

(from ebookjapan):

In a time when men traded lives with pistols that slung around their waists, it was a chaotic world of Indians, sheriffs, and outlaws, just like in a Wild West movie.

Living in this small four-and-a-half-tatami mat on the prairie is Leiji Matsumoto's well-known character Tochiro, a man who loves drinking and women and lives with the pride of a man more than anything else, is the hero of this collection of stories that unfolds on the prairie.