Tensei-saki wa Meriba Jōtō Utsu Yuri Ge.

A TS idiot who convinces herself that she’s been reborn as the villainess of an Otome game, dives straight into the main story without realizing the truth—Because the memories of her past life are full of missing gaps. In reality, she was reincarnated as a character with the same name from a completely different game. Incidentally, the game she reincarnated into turns out to be a bleak yuri game where tragic endings are expected.