Tales of Dragons and Gods

Melias and her twin brother Yulias go on a school trip ignoring their guardian's warnings. As a result, Melias, Yulias and three of her friends are separated and forcefully dragged into another world. With no one to rely on Melias searches for her missing twin brother and friends. Will she be able to survive in a world where dragons, gods, and demons rule? Or will she die before she manages to save her family and friends?