Introduction

[READER INSERT] - (WARNING: GORE)
Y/n has fallen down into the underground, but everything is not as it first seems... Faced with many challenges and friendships, and not to mention the flowers that continue to consume their body, who knows what will happen in the end. [Flowerfell characters belong to the original creator. Undertale belongs to Toby Fox. (Any art used in this book belong to their original creators.)]