My Three-Month Term

Because you're my three-month promise, you have to take care of me and protect me, and you can't let me get hurt at all! When they were six, two innocent children were absorbed in their own worlds, watching boring soap operas. At twelve, they met because of an exam. At eighteen, in the bloom of youth, they were very happy. At twenty-three, they went their separate ways and swore never to see each other again. Seven years have passed. Looking back, is the person you were at the beginning still there?