Sengoku Haruhime is a student in Athena Academy, attending the Class 2-D. She is member of the "Oniwabanshu" group. She is a relative of the japanese emperor.
Sengoku Haruhime is clearly a part of the "royalty", and her personality is that of a princess, albeit a bit spoiled one.
Unknown as to before her enrolling to Athena Academy.
She dislikes the church because they wronged her in the past
Players have yet to find out about them.