マリヤ・ミハイロヴナ・九条

She is a Second-year student and the student council secretary. Her nickname is Masha and she is the older biological sister of Alisa Mikhailovna Kujou. She is also one of the two beauties from her school year and she is popular for her looks in the whole school, in fact she was called the "Madonna" of the school.

(Source: Roshidere Wiki)