(Undertale/undertale) Doesn't Feel Right

If you mind any spoilers regarding any of the game's routes, please proceed with caution. In fact, the game's carnage plot is pretty much spoiled in the first chapter. But I think the readers who click here won't mind this. ——————————————After you do everything smoothly, do you feel that something is wrong? It's like writing an essay when time is tight. You try your best to make up for the word count, but after finishing it, you vaguely feel that you missed the topic. It's doesn't feel right. You want to do it again. You are determined to do it again. Find out everything. Let everything - FEEL RIGHT. But that's not why you vote for two skeleton brothers! ! ——An angry player said this.