currency book

What do two immortal fangirl twin sisters do when they get bored of being immortal with nothing to do but read? They go live in fictional universes for entertainment. **Worlds** 1. Solo Leveling 2. To Be Determined... **Author''''s Note** The cover and all characters depicted in this story belong to their respective creators, except for a few original characters. I plan to stay as true to the canon as possible. Also, explicit chapters will be marked with asterisks (*, **, ***), depending on how smutty it is.