Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.
Kagurahara Girls' School, a historical school once called the Girls' School.
Jurokuya Rin, who belongs to the koto club of this school, has been practicing with his friends for the contest after the summer vacation.
Soon after the summer vacation, the daughter of the head of the koto music school, Koyuka, suddenly transfers to another school.
A transfer student who comes at an unusual timing.
「 Sisters 」 who looks just like Yuka in Rin's dream.
And then, at the same time, a strange fall incident occurred.
The darkness hidden in Kagurahara Girls' School begins to move.