Thorn for the Villain: Reincarnated as an Extra in an Otome Game?!

Thorn for the Villain: Reincarnated as an Extra in an Otome Game?!: Visual Novel. Available on PC (Microsoft Windows).

When an office lady end up reincarnated as a noble lady in an otome game she was playing, she decides to intervene into preventing the story from never starting... however, her actions catches the attention of the game's original villainous underground organization, Snare.

Truck-kun strikes yet again…! An office lady is reincarnated as Teresa von Ambrose, originally a spriteless extra character in the obscure otome game “Eternal Blessing of the Stars”, where most of the endings end up with Asmodia Kingdom in shambles one way or another... Teresa: "That's me. I'm part of that shitty kingdom!!!" Armed with knowledge of the game's future, Teresa decides to intervene and erase the event that triggered the beginning of the original story. But actions have consequences, and instead of the protagonist, Teresa draws in the attention of the villainous underground organization, Snare.