아날로그시그널은연속적인정보를아날로그형태로전달하는신호입니다.七龙珠第二部国语290集

　　At a city in near future, Heejeong rides her bike to a shabby market. She searches through a second-hand bookstore but is unsuccessful in finding the DVD she is looking for. Heejeong becomes discouraged but runs to another store where she hears the news that the DVD is in stock at another store. At last she finds the DVD on the opposite shelf, but Jiwon, a boy similar to Heejeo... (展开全部)