The protagonist of this work is seduced by Bonadea and has a twin sister named Agathe.  
In this work, one character is seduced while wearing her mistress's lingerie, and another character is told by his wife that she will not bear his child in fear of passing on his mediocrity and constantly compares himself to Wagner.  The protagonist of this work is seduced by Bonadea and has a twin sister named Agathe.  The Great Idea is the driving force behind the Collateral Campaign, which is sponsored by Diotima and Arnheim.  Moosbrugger's murder of a prostitute eventually drives Clarisse insane, unable to be helped by her husband Walter, and the protagonist decides to take a year off from life.  Set in Kakania and following the title character Ulrich, FTP, name this incomplete novel by Robert Musil.
In this work, one character is seduced while wearing her mistress's lingerie, and another character is told by his wife that she will not bear his child in fear of passing on his mediocrity and constantly compares himself to Wagner.  
The Man Without Qualities or Der Mann ohne Eigenschaften