A Young Woman's New Life as an Imperial Princess (Youjo Senki/Gate Jietai Crossover)

After failing to elicit any reform from the uncooperative atheist, Being X sends young Tanya to another world. One of greater hardship in hopes the trials she will face will make her repent for her irreligiousness. However this world is one of many gods. One whom will soon open a gate to a world that the reincarnated soul remembers quite clearly.