Kafka on the Shore by Haruki Murakami

This story follows a 15-year-old runaway fleeing a dark Oedipal curse and an elderly man with the ability to speak to cats who is drawn away from home by a mysterious force. Their parallel paths blur the boundaries between reality, dreams, and the supernatural as they converge at a peculiar library in Takamatsu.

This book contains: alcohol, alternate gender/sexual ideologies (includes transgenderism), animal cruelty, anxiety, child abuse (implied), dark content, depression, dubious consent, explicit sexual activities/nudity, gore, incest, metaphysical/dream-state rape, murder, pedophilia, potentially erotic content, potentially patently offensive content, potentially prurient content, prostitution, smoking, suicide ideation, and violence.