Love Maker's Potion

Two Korean besties walking at a mall outlet, one has a crush and one doesn't. Seo-yun bought some clothing that comes with a....love potion!? Nari doesn't believe it's real. School starts tomorrow and Seo-yun is willing to change herself for a boy. Will Nari stop Seo-yun for getting the man she loves? Or will something different happen and change the entire plot....