公爵家の養女になりましたが、ツンデレ義弟が認めてくれません (Associated Names)

One day, at the age of ten, Lucy, who was in an orphanage, was taken in by a gentleman who was a relative of her late mother. Adopted by a duke’s family, she lived with a kind uncle and his servants, and received an education as a noble young lady. She spent the next five…