One coffee and a demon, please!

just imagine: a regular day working in a cafe, when, suddenly, you have a very weird client and boom you appear in another realm and need to find a job in there. A regular day, isn't it? This is a story about girl named Caroline ( prefers Caro) who met a very interesting... well, creature. A demon named Eris, sho takes her to 'The Underground' and tells that when she once enters she becomes a part of it. How will their life ways go? Will they go the complete other way, or maybe connect? What things and creatures will they need to face? Read this book to find out!

( Before you start reading please understand that is my first book ( in English too ), so I'm sorry for every mistakes I made and please tell me if you see any. Btw, I tried writing it in like, simple language whatever that means. Hope you like it! )