Some people prefers writing long letters, and some other actually likes receiving them.  Foreword Title: Old or New (I Still Comeback to You)Pairing: KaiLuRating: GWord count: 2,429Summary: Jongin is bothered but Luhan thinks that their way of communication doesn’t really matter.A/N: The story doesn’t make actual sense. There’s probably a ton of grammatical errors, read at your own risk. By the way, can I just say how KaiLu’s like a submarine? They’re not entirely popular but SM ships them so deeply under the sea, if the First Box is any indication. Haha. Okay, don’t mind me.