epilogue
noun [ C ] (US also epilog) uk/ˈep.ɪ.lɒɡ/ us/ˈep.ə.lɑːɡ/
（戏剧的）收场白，收场戏;（书的）结尾部分，后记，跋
a speech or piece of text that is added to the end of a play or book, often giving a short statement about what happens to the characters after the play or book finishes
Compare: prologue