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

After transmigrating into the world of Naruto, the System finally arrived. Yato initially thought that, with the System’s help, he would become invincible under heaven. However... [Flame Demon Forest, spawn point confirmed...] [Constant slaughter, endless battles. This is a buried battlefield where wars never cease, and an endless demonic cavern filled with cries of agony...] [Main Quest: Defeat opponents continuously, unify the entire Demon Realm Continent, and bring it new changes!] Yato stared at the several clowns before him who were chattering about revitalizing Konoha, then looked around at the Konoha classroom he was in, his face full of confusion: “Is there something wrong with my System?”