A popular girl at Nekomi Tech, Sayoko considers herself the "queen" of the school. Coming from a wealthy family, she enjoys a luxurious lifestyle with her own apartment, an expensive car, and the ability to host extravagant parties with influential guests. However, when Belldandy arrives, all the male attention shifts from Sayoko to her, sparking jealousy in Sayoko. Determined to upset Belldandy, Sayoko tries to seduce Keiichi despite having no genuine interest in him. She even collaborates with Toshiyuki Aoshima and Marller to undermine Belldandy.
As the series progresses, Sayoko becomes less antagonistic. She starts offering Keiichi relationship advice and even thwarts some of Marller's schemes. It appears that over time, she develops feelings for Keiichi.










