Naomi Hayakawa

Naomi is a character from the "Escalation" arc of the series who is the wealthiest girl of the school as her father is the president of their family's business firm. She also has a younger brother named Akira who is the next in line to run their father's company, although Naomi is the eldest. During her final year at the school, she sets her sights on a new transfer student, Rie Komatsuzaki with the intention of making her a pet for her depraved pleasures. When she and Rie meet each other, she tells the younger girl to call her "onee-sama," rather than "Hayakawa-sempai" She is successful in seducing Rie in becoming her pet and also invites her current girlfriend Midori to join in. It is in this episode Naomi has a penchant for bondage in her sexual activities. In the 2nd Escalation episode, she and her family attend Rie's piano recital and she arranges for Rie to come to her family's second home for a private get-together, which turns out to be an S&M orgy with another girl named Mari who has grown close to Rie and Naomi makes her take Mari's innocence. All while this is going on, Naomi's younger brother and father are watching and she inducts Akira into the perverse family hobby by making him insert a vibrator into Rie. Although Midori is her right-hand, she won't hesitate to punish her if she falls out of line. Naomi continues to be pleased with Rie and her influence over her carries over into Rie's third-year of their relationship that the torch is passed when Naomi is the one being pleasured and sent into ecstasy when Rie becomes a dominant partner herself.