Cake and See-ew are close despite their different personalities. Cake goes abroad and when she returns, she finds that See-ew has changed. Many people like and get close to See-ew and that makes Cake jealous. Cake begins to question her feelings for See-ew. In addition to the relationship problem, See-ew also faces a family problem. See-ew’s mother is getting sick and later finds out she has cancer from being exposed to her husband’s secondhand smoke. See-ew holds a grudge against his father for that reason. However, Cake is always by her side and they overcome all obstacles together. See-ew realizes that Cake is more than half of his life, but it’s actually his whole life.