She has been working under Starship as a makeup artist for Monsta X. She is also the younger sister of Seo Hyun Woo or who is also known as Shownu on the stage. As she works for Starship Ent., she faces many people who makes her feel terrible. Though, there are people keep telling her to stay calm and telling her that they are there for her if she needed them. Little did she know, Yoo Kihyun has set his eyes on her as she works with them?