Cake and Seeiw are close despite their different personalities. Cake goes abroad and when he comes back, he finds out that Seeiw has changed. Many people like and approach Seeiw and that makes Cake feel jealous. Cake begins to question his feeling for Seeiw. Apart from the relationship issue, Seeiw also faces a family problem. Seeiw’s mom is getting sick and he later finds out that she has cancer as she was exposed to secondhand smoke from her husband. Seeiw hold grudges against his dad for that reason. However, Cake is always there beside him and goes through all the obstacles together. Seeiw realizes that Cake is more than a half of his life but he is actually his whole life.