Lucia, born as an illegitimate child of the 'Rodbell House', known as a prestigious house of magic, was raised like livestock solely to be a sacrifice. On the day she became an adult, she fell into the 'Abyss' by her half-sister and fell into despair, but soon received a sweet deal from the 'Evil God' in the abyss. If you help her get out of here, he will allow you to get revenge. After kissing the contract and opening her eyes, Lucia found herself back in time 10 years ago...

(Source: KakaoPage, translated)