The novel functions as a "novel of ideas," using its characters to represent conflicting responses to trauma:
One of the bullies, Momose, argues that life has no inherent meaning and that people are simply driven by their own desires. He views their suffering as a matter of chance rather than justice. Heaven Mieko Kawakami epub
Set in Japan in 1991, the story follows an unnamed 14-year-old narrator nicknamed "Eyes" because of his lazy eye, which makes him a target for relentless, often brutal bullying. He finds a tentative lifeline when he begins receiving secret notes from a classmate named Kojima, who is also ostracized for her poverty and "dirty" appearance. Their friendship is built on mutual recognition of pain and shared letters, culminating in a clandestine outing to an art museum to see a painting Kojima calls "Heaven". However, as the bullying at school escalates to extreme levels, their bond is tested by their diverging views on how to survive. The novel functions as a "novel of ideas,"