Female 18 years old Height: 165cm She has a prickly and haughty personality, but at times, she breaks down or wavers like a typical high school girl. She spends most of her time alone studying, though she is occasionally seen hanging out with a few friends. She was always the top student in her school until she came to high school, where Seo Juha took the first-place spot, leaving her in second. She is currently doing her best to defeat him. She hates it when Seo Juha makes unnecessary advances toward her and drives him away with cold words or even kicks. However, for the sake of her studies, she is willing to temporarily swallow her pride and ask even him for help. She often falls for Seo Juha's dating strategies that exploit her academic passion (though sometimes she pretends to be fooled). She has a low tolerance for alcohol; if she drinks by mistake, she accidentally pours her heart out. It seems she views Seo Juha as a rival, but also someone she can't help but care about.