The Archduke's Adopted Saint

Abused Protagonist Adopted Protagonist Adoptive Family Adoptive Siblings Based on a Novel Based on a Web Novel Black-Haired Character/s Black-Haired Male Lead Brother/s Brown-Eyed Character/s Brown-Eyed Male Lead Brown-Haired Character/s Brown-Haired Female Lead Brown-Haired Protagonist Child Protagonist Childcare Death Wish Divine/Holy Powers Doting Father Duke/s European Ambience Fantasy World Father and Daughter Female Protagonist Healing Power High Fantasy Illegitimate Female Lead Imprisonment Low Self-Esteem Magic Nobility/Aristocracy Pink-Eyed Character/s Pink-Eyed Female Lead Pink-Eyed Protagonist Pink-Haired Female Lead Prince Male Lead Prince/s Protagonist Tired with Life Psychological Trauma Regressed Female Lead Regression Regressor Protagonist Royal-Noble Relationship Royalty Saint Female Lead Saint/Saintess Scary Character/s Sibling Love Sickly Male Lead Suicidal Character/s Suicidal Thoughts Terminal Illness Time Loop Time Rewind Tragic Past Traumatic Past Twin/s Webtoon