Moto Koshaku Reijo Ferishia wa mae o Muku Konyakusha ga o Ane sama ni Koishite Shimattanode, 500 nen go no Sekai de Shiawase ni Narimasu

Felicia is a Duke's daughter who has been betrayed by her fiancé. Deciding to find her own happiness, she resolves to take a stand.

She locks herself in her room for five whole days, tirelessly creating presentation materials to persuade her parents to let her live her life. But when she finally steps outside... she finds herself in a world 500 years in the future!?

Thus begins Felicia's second life!