Demon Slayer May Be Set in the Promised Neverland Universe - FandomWire

A popular fan theory is surfacing on the internet that states that anime series Demon Slayer and The Promised Neverland are set in same universe.

Demon World, The Promised Neverland Wiki

Discuss Everything About The Promised Neverland Wiki

Demon Slayer, Promised Neverland, & Jujutsu Kaisen Novels To Be

Demon World, The Promised Neverland Wiki

Tpnxdemonslayercrossover Stories - Wattpad

✨If Demon Slayer met The Promised Neverland✨

Demon World, The Promised Neverland Wiki

The promised neverland x Kimetsu no yaiba

Demon Slayer x The Promised Neverland x My Hero Academia

5 Things We Want from The Batman Shared Universe - FandomWire