Sutakora Sa Sassa (Tokuma Bunko)

[Machine Translation] Aya Tsujiuchi, who works at the Kinokuniya Bookstore in Umeda, Osaka, was called by someone from the plaza in front of the store. In fact, the founders of Hankyu Corporation and Kinokuniya Bookstore, who were involved in the development of this area, were watching over her from the other world. They had been complicit in the case of the "underground sun" that went missing after the Osaka World's Fair. And now, with one goal in mind, they are using people connected to Aya and her family to uncover its whereabouts...

大阪の梅田にある紀文堂書店に勤める辻内彩は、店の前の広場から誰かに呼ばれた。実は、この地の発展に係わった阪急電鉄や紀伊國屋書店の創業者たちが、あの世から見守っていたのだ。彼らは、大阪万博の後、行方不明になった“地底の太陽”の事件に加担していた。そして今、ある目的をもって、彩とその家族に繋がる人たちを使い、その所在を明らかにしようとしていたが...。