Two people die in hot spring towns in different parts of Japan from hydrogen sulfide poisoning. Investigating the case is geochemist Shusuke Aoe, who witnessed the same mysterious girl, Madoka, at both crime scenes…
A science fiction mystery that challenges established norms of the genre, written by acclaimed author Keigo Higashino!
A science fiction mystery that challenges established norms of the genre, written by acclaimed author Keigo Higashino!