The Way to Protect the Female Lead's Older Brother x MHA Crossover

(Female) Izuku Midoriya the student of All Might and the welder of One for All never really thought much about her family, she had her parents and knew a little about her mom's side but nothing on her father's ...... until know.
Lant Agriche first wife was the basterd half- sister of the head of the Blue Pedalian went missing while pregnant with their second child and their first born son when her brother attack the Duchy. They were sent to another world and know the son and his now born brother are brought back .... along with Izuku the daughter of All for One and niece of the First.
How will the Agriche family handle Izuku, will she end up labbed a failer and 'disposed of' like her uncles and aunts or will she change stay true to herself?