After Crossing Over, She Became a Loli and Became a Big Boss Ten Years Later!

[Another World + Gender Change + Saint + Boss + Exploration]

After traveling through time, she becomes a blue-haired little loli and is the master of the barrier - the owner of tens of thousands of magical beasts and elves.

During her subsequent explorations, she discovers that most things seem to be slightly connected to her, hinting at something... Who is the true mastermind and the real enemy?