The God of Five Worlds decided to give six different girls the experience of a new life in the world of men. What would happen if all five of them transmigrated to a world where men hold authority? Tiara Laveign Escañio promised to stick with her childhood best friend, Alec Kier Renievo until their last breaths. Not until she discovered something bizarre at her grandfather's old farmhouse. Tiara and Keir found a bizarre portal to a world where a mysterious phenomenon had occurred and only males lived. As a result, Tiara became the only woman in the continent of Shakrila. Being the last woman alive, Tiara realizes that the lives of men are at stake because of a curse. However, the only way to save these men is by giving them her juices and leaving them a "woman's mark". During her journey, Tiara learned about the other side called Kazva, full of fallen ones who hunt them. And there she discovered that her best friend, Keir suddenly became the Kazva's Prince of Darkness. Will she be able to know the truth behind her existence in this world?