"Kokoro" is a novel that delves into the complexities of human relationships and the changing cultural climate of Japan at the turn of the 20th century. The story is narrated by a young university student who forms an unlikely friendship with an older man, referred to only as "Sensei". As their bond deepens, the young man learns of Sensei's tragic past, his feelings of guilt and regret, and his struggle to find peace. The novel explores themes of loneliness, betrayal, and the moral dilemmas of modern life.

A Personal Matter is a novel that tells the story of Bird, a young man struggling to come to terms with the birth of his son who has a severe brain hernia. As he grapples with his personal demons and the societal stigma associated with having a disabled child, he also contemplates killing his son to end his suffering. The narrative explores themes of responsibility, shame, and the human condition, ultimately leading to Bird's acceptance of his son and his own life.

In this introspective novel, a diary washes ashore on a remote Canadian island, bridging two disparate worlds. The journal, written by Nao, a troubled Japanese teenager, chronicles her life, her contemplation of suicide, and her relationship with her great-grandmother, a Zen Buddhist nun. The diary is discovered by a novelist, who becomes engrossed by Nao's story and is compelled to unravel the mysteries of Nao's fate and her own connection to the young girl. As the novelist reads, the boundaries between writer and reader, past and present, fiction and reality blur, creating a meditation on time, loss, and the intricate threads that connect human lives across the globe.