SI/OC
Base world: TV -verse. Other reincarnators, but there is no interaction with them. Or much of the "show" characters as the MC doesn't give a fuck about TV shows and their nonsense.
A system that lets him take on jobs in his and other worlds.
System functions:
Stats
Inventory
Jobs
Trading post: exchange items only. No currency. Can't just buy whatever he wants. Essentials are cheap, while luxuries are expensive as fuck.