15 parts Complete MatureIf You Do...what? If you leave me? If you don't love me anymore? If you never have? If You Do comes with a lot different endings, and beginnings too. If You Do...leave her, I will be here waiting to hold you and pick up the pieces of your heart she shattered. If You Do...stay with her, I will be happy for you and move on...eventually. That's the problem with loving someone secretly and never speaking up. You watch them begin or end with someone new.
Jessi Liu has known Mark Tuan almost all her life. She lived across the street from him, went to school with him, celebrated every occasion with him and his family including his acceptance into JYP Entertainment. She has even supported his career, buying his group's albums, posters, buying concert tickets to see them in concert, and buying everything with their group name on it. To Jessi, Mark is the brilliant center of the universe but to Mark, Jessi is a cute and supportive best friend who always had his back growing up. Little did he know that his best friend loved him with her entire being and wanted nothing more than to hear those beautiful three words from him. But when word of his new girlfriend a fellow K Pop idol from the SM girl group Red Velvet reached Jessi, her heart had finally broken. Seeing photo after photo of Mark and Wendy holding hands, hanging out together in Seoul, has finally settled into her heart and it shatters. The once bubbly, cute friend she has always been as become dark, depressed, and no longer enjoys going out with friends. She has become a bad girl who speaks her mind and disregards the feelings of people she used to love and care about. In a last attempt before he passes away, Jessi's Dad arranges with Raymond Tuan to bring Mark home to help save his daughter before she loses herself permanently.