Nagisa Ikaruga

About

Kouta's classmate and his initial love interest. She dates Kaoru Tomura, although she has no feelings for him, and just used him. Once it was revealed that Kota was the heir to Higashiyama's company, Nagisa became Kouta's mistress candidate.
She is actually in love with Kota, but she does not care about his company or her status as a mistress. Nagisa just wants to get Kota just for herself and don't want him to choose any other woman.