So when I saw Yukio Mishima's Confessions of a Mask (1949) on the shelf, I knew that it was gay-themed.
It's about Kochan, a Japanese schoolboy in the 1930s who is tormented by same-sex desire.
He tries to suppress his urges for excrement, men, and death, even going as far as to have sex with a woman, but he realizes that he can never truly love anyone. His desires are not only deviant but impossible; male beauty can only appear amid excrement; a man cannot love a man without killing him.
A rather depressing view of my future, in spite of the organizations listed in the Gayellow Pages
Mishima was gay himself, and led a tortured life, obsessed with bodybuilders and death. He felt humiliated by the Japanese defeat in World War II, and in 1970 attempted to incite a coup d'etat to restore the power of the emperor. When that didn't work, he committed ritual suicide.
See also: The Flowers of Evil; and Gay Chinese Literature