Uchuujin to Deau mae ni Yomu Hon
宇宙人と出会う前に読む本
A question arrives from beyond the world that cannot be answered with any earthly common sense: what are you made of? Give the wrong answer and the result is disaster, possibly extinction. Graduate student Tsubura Uruki encounters a monolith and is pulled into an extreme relationship with an interstellar intelligence, left to face the ultimate question posed by aliens with the survival of the human race hanging on her response.