Akuyaku Reijou Toshite Kon'yakuhakisareta Tokoro, Shuuchakushin Tsuyome na Daini Ouji ga Dekiaishitekimashita.

Iris, a former office worker in her late twenties, is reincarnated as a villainess in an otome game. Currently engaged to the crown prince, she knows that according to the story, he will cheat on her with a viscount’s daughter and eventually break off their engagement. Figuring it’s inevitable, Iris decides to focus on her work at the magical beast research institute instead. However, something seems off about Lars, the coworker who has recently been so kind to her. One night, due to an unexpected incident, Iris ends up in his room—where she witnesses something unbelievable…?! To make matters even more shocking, Lars turns out to be a prince hiding his true identity…?! ([Sana Scans](https://mangabaka.org/group/zgbui9j/sana-scans))