Ever since young, Mei Ayazuki has been able to see and converse with spirits. This results in her becoming isolated from the rest of her peers. On the night of a strange strawberry moon, Mei witnesses a magic show performed by Charlie, who transports her to Tokyo during the Meiji era. Confused and amnesiac, she encounters Mori Ögai and Shunsö Hishida, who escort her to a party at the Rokumeikan hosted by the then Japanese prime minister to foster diplomatic relations with a Russian prince...