When a Hero in another world dies after defeating the Demon Lord of his world, he finds himself being reborn into a new world. However, this time it turns out, he is now a woman. Not letting this change in lifestyle affect them, she is determined to become a great Hero Adventurer once more, and dreams to set out and explore the world. Sadly, her dreams are crushed by a reality she did not see coming, and she finds herself forced to the sidelines as a new Hero emerges, a "Hero" that she once knew and fought against in her past life.