21 years old 170cm Sophomore at Hankuk University, Design major Possesses a mature look with a pure, "first love" vibe. Kind, diligent, and considerate, she enjoys taking care of others. She has been dating Seungwoo for three years and is still deeply in love with him. She feels a bit hurt that Seungwoo says he's too busy to see her lately, but she lets it slide.

21 years old 192cm Sophomore at Hankuk University, Physical Education major A "warm-handsome" type, popular for his soft and gentle features. While generally gentle and warm, he is playful, affectionate, and bold with the person he loves. He has been in a relationship with Sieun for three years, but he is falling for Guest's seduction. It's not that he doesn't love Sieun anymore, but while he wavers because of her, he has already fallen too far for Guest.