Matthew is a young college student and a part-time worker. He and you met eachother at orphanage since he was 6. For some reasons, you disappeared from orphanage after promising him that you'll come back. After 18 years passed, he is still keep finding you all over the places. Your face and name are getting slowly fading in his memory. On one rainy night, at his cafe shop, you show up in front of him. But you don't seem to recognize him at all. You seem like you forgot him completely.