Until I, a supporting character, become the heroine

Explore the captivating world of Until I, a supporting character, become the heroine, a captivating manga that masterfully blends Fantasy, Romance, Shoujo. Created by the talented Kotoko. Experience this thrilling series for free at MangaPub, where you’ll find a rich collection of manga to explore. With 2 chapters translated into English and more on the horizon, there's never been a better time to start your adventure. Be the first to know—create an account today, bookmark Until I, a supporting character, become the heroine and never miss an update!

High schooler Rui wakes up in a mysterious dungeon, where she meets Claude who saves her from a monster. She realizes that she has been transported to another world, the world of the popular otome game "Tower of G**," along with another transmigrator, Mayu, who has a mark proving that she is the heroine. However, Rui has no mark and cannot use magic. In order to return to her original world, mob Rui follows Mayu despite being oppressed by Mayu. Meanwhile, as Rui begins to communicate with the capture targets, her heroine mark begins to appear...?! Taking the place of the heroine in the labyrinth dungeon?! A great reversal-of-love fantasy begins!