Cinderella no Giri Ane ni Tensei shita kedo Futari no Ouji ni Dekiai sareteimasu

Synopsis

Reincarnated as the wicked stepsister in the fairy tale *Cinderella*, Atra is sick and tired of her life as described in the story. Finally, on the night of the ball, a shocking revelation: Cinderella's true identity is a man! At that moment, her life is turned 180 degrees into becoming “the love interest”! An impossible isekai fantasy love-triangle! (Source: Manga Park, translated)