僕がもう死んでいるってことは内緒だよ
From Author Wars - https://authorwars.com/books/pu-gamousi-ndeirutsutekotohanei-xu-dayo-2213081.html
Editions/Publications:
- 2011 . Nova 6―書き下ろし日本SFコレクション (2011, 牧野修, 河出書房新社, ISBN-10: 9784309411132, ¥1,026, 454 pages, Paperback, Anthology)