He later tries to kill his newborn son, who was misdiagnosed with a brain hernia.  
An arcade machine tells the 28-year-old protagonist of this novel that he has the strength and grip of a 40-year-old, prompting him to pick a fight with a high school gang.  This novel opens as that character, looking at a book of road maps, compares his sickly shape to the geography of Africa, to which he dreams of escaping throughout this novel.  The protagonist's wife is never named, though she is the source of a fear of wombs that he cures by having anal sex with Himiko. He later tries to kill his newborn son, who was misdiagnosed with a brain hernia.  FTP, name this novel about a new father named Bird, possibly inspired by author Kenzaburo Oe's experience with his autistic son.
An arcade machine tells the 28-year-old protagonist of this novel that he has the strength and grip of a 40-year-old, prompting him to pick a fight with a high school gang.  
A Personal Matter (or Kojinteki na taiken)