Jeon Jihyun—a girl who was in love with her boyfriend , until he cheated on her and she became cold and stopped believing in love.
Park Jihoon—Jihyun's one and only friend she has. he changed her perspective of love and made her believe in love again.
Kang Daniel—Jihyun's ex-boyfriend who cheated on her because he played with Jihyun enough.
Jeon Jiwoo—Jihyun's older sister who tries to help Jihyun get rid of her cold personality but fails to.