Anastasia Club

Tsubaki Kamui is the granddaughter of a respected antiquarian. A man named Sena Takuto visits her family's shop, seeking her grandfather's expertise to verify his claim of being descended from Anastasia, the last member of the Russian imperial family. Takuto carries an item he believes will support his assertion. Meanwhile, an object of significance to Anastasia has recently been stolen. The connection between Takuto and the theft remains unclear. Kamui becomes involved in the situation, though the extent of her role is uncertain.