[Machine Translation] Become a heroine in a labyrinth dungeon! Rui, a high school student, wakes up in a labyrinthine dungeon called "God's Tower," the setting of a popular otome game, and is transferred to another world. The other transferee, Mayu, has the "mark" that proves she is a heroine, while Rui, who does not have the mark, accompanies her as a burden to the mob. At the same time, however, he notices that Mayu's imprint is beginning to disappear--? In a labyrinthine dungeon, she is replaced as the heroine! A love fantasy with a great reversal!