I Transmigrated to Naruto, but Got a Demon Realm Dungeon System

After transmigrating to the Naruto world, Yedou finally got a System. He thought it would help him become invincible, but...

[Demonflame Forest, starting location confirmed...]

[Endless slaughter, ceaseless battles. This is a buried battlefield where wars never end, and an endless demonic pit filled with wails...]

[Main quest: Keep defeating your opponents, unite the entire Demon Realm continent, and bring it new change!]

Looking at the few lively oddballs in front of him, chattering about restoring Konoha, and at the Konoha classroom around him, Yedou stared in bewilderment.

“Is there something wrong with my System?”