斜陽族

Etymology
From. Popularized after publication of the novel Shayō (The Setting Sun) by Osamu Dazai in 1947 (see quotation below).

Noun

 * 1) declining aristocracy, an elite class of people displaced by changes in society
 * 2)  the Japanese upper class brought to ruin after World War II
 * 1)  the Japanese upper class brought to ruin after World War II
 * 1)  the Japanese upper class brought to ruin after World War II