Tree House is a multigenerational novel centered on a family that runs the Chinese restaurant Hisui Hanten. A grandmother's unexpected return home leads to buried family records and memories of war, bringing private family history together with the movements of the twentieth century.

Memories of war buried beneath a family home surface after a grandmother's return.

Maou no Ai is a novel that reconsiders Mahatma Gandhi not as a simple great man but as a many-sided human being. Through dialogues with the dead, it traces the contradictions and strength behind his commitment to nonviolence.

The novel calls Gandhi a demon king in order to look again at the human being behind nonviolence.