Mariko Shinobu

Mariko Shinobu is a 16 year old 1st year highschool girl who is an aspiring Sorority member and a former student of the junior high school attached to Seiran. She eventually becomes one of Nanako Misonoo's best friends. Mariko distrusts all men because of her troubled family life: Hikawa Shinobu (Mariko's father) is an erotica author who has an affair with a unknown actress that he later divorces Hisako Shinobu (Mariko's mother), which causes her to be terrified of abandonment to the point where she becomes obsessed with the ones around her. She is also extremely beautiful with long black hair...