A story inspired by a song "Heaven Knows"ー Everything seems normal para kay Alisa until she felt nostalgic in everything. One day she keeps on receiving letters whose unknown and always asking a question. Weird part is, in every question it gives her undenying sadness if it leaves unanswered. Will she able to bring answer to every question? "In retrospect of our love story, will God give us a chance to let our love live or our hearts live?" Highest rank: #2 at Poetic