Ibeon Saengeun Nae Tteutdaero Salgetda

Erina is adopted by Marquess Sinor due to her magical talents, but this leads to years of abuse and suffering. On the brink of despair, she is visited by Marystella, her former self who was once a ruling witch. Marystella requests Erina's help to uncover the truth behind her death and offers in return to make her the most powerful sorcerer in the world. With this promise, Erina gains the means to escape her pain and pursue her own desires through newfound power.