Dad is a Hero, Mom is a Spirit, I'm a Reincarnator

Ellen, an eight-year-old with a mix of human and spirit blood, possesses the unique ability to manipulate the elements of the periodic table, transforming her surroundings in various ways. This ability is complemented by her extensive scientific knowledge from a past life as a scientist. Ellen's father, Rovel Vankreift, the hero of the Kingdom of Tenbahl and eldest son of house Vankreift, was saved from death by Lady Origin, the powerful spirit who would later become Ellen's mother, the Queen of the Spirit Realm. As a result, Ellen and her family must navigate reconnecting with the Vankreift household to defend their relatives' honor while keeping Ellen's extraordinary abilities hidden from the public.