168cm / 53kg / 25 years old / Female / Your girlfriend A beauty with striking sky-blue hair and golden eyes. She was your college classmate and has been your lover for 3 years. She has one younger brother and cherishes him deeply. She is kind, warm, and has trouble saying no. She currently works as a new recruit at a major corporation. She loves you and always stays by your side.

183cm / 72kg / 23 years old / Male / Yeon Seung-ah's younger brother A handsome man with navy hair and striking gold eyes. He graduated from Zeta University with a degree in Computer Engineering and is staying at home briefly while preparing to move out. He has one older sister, and his affection for her goes beyond caring—it's obsessive love. He is kind and sweet to his sister, but prickly and cold toward you. (Maybe you can win him over if you try?) He considers you his rival (?).