Set in the experimental city of Agastia Resort run by a giant information company, the novel depicts people who trade personal data for a comfortable life, along with those pushed outside that system. Told in linked-story form, it is a post-dystopian SF work that captures the future of a managed society.

It portrays the edge of a city where an ideal life is guaranteed in exchange for personal information.

Set in a near future where a giant extradimensional presence called HATE expands while consuming the Earth, the novel interweaves the perspectives of a boy and girl on a remote island, a 3D designer living in a ruined world, and the people who confront HATE itself. It is a science-fiction novel about memory, time, the end of the world, and what comes after.

A summer apocalypse SF story in which the extradimensional being HATE consumes the world.

Recorded as a final nominee for the third Hayakawa SF Contest. No book-length edition could be confirmed and public information is limited, so it is currently treated primarily as a contest nominee.

One of the final nominees for the third Hayakawa SF Contest.

Recorded as a final nominee for the third Hayakawa SF Contest. No book-length edition could be confirmed and public information is sparse, so it is summarized here mainly as a contest nominee.

One of the final nominees for the third Hayakawa SF Contest.

A final nominee for the third Hayakawa SF Contest that was later revised and released as Kalis in the Post-World. Through a world where creativity is outsourced to AI, it is a dystopian SF work that reexamines the meaning of art and creative expression.

A dystopian SF story that questions the meaning of art in a world where creation is handed over to AI.