Museum girl (2 books in total)

Publisher: Kaiseisha
Author: Yoko Tomiyasu
Size: 128mm x 188mm
Number of books: 2
Language: Japanese
Category: Children's book
Latest release date: 2021-12-06

Synopsis:
Girl Ical, who came to Tokyo, led by fate, will help old people who are studying mysterious research at the Ueno museum.
Set in a museum that has just been born in Japan, a mysterious feature that depicts a mystery that calls a mystery.

Ikaru Hanaoka, the daughter of a curio dealer in Osaka, who came to Tokyo, where civilization was opened in Meiji 16
When I visited a museum in Ueno for a relative's business, I was recognized by the director of a connoisseur.
It will help Kenji Oda (commonly known as Tonosama), who is studying mystery in the museum of the museum.
Ical started organizing the warehouse under the instructions of Tonosama, but after the collation between the catalog and the collection,
It was discovered that only the black box (Kurotabako) was taken away by someone.
Who stealed for what purpose? What is the secret hidden in this box, which is rumored to be a hidden Christian?