When a treasure hunt goes horribly wrong, Emi is in for a lot more than she would bargain for.

It was suppose to be a simple goal of finding a certain cube object in an unknown parts of a ruined labs from centuries ago, but due to unforeseen events, she ends up getting caught in a disastrous situation of epic proportions. With little clue and limited resources, she must now embark in an unexpected journey through many places she had not seen before and even encountering many individuals as well as factions along the way, be it from the past, alternate, or from a completely different world altogether.