Lan er? Isn't that the name of the fl's mother (Lan ling) ? Could it be that the emperor is the fl's father? Then it would make the ml and fl uncle and niece? Nah, maybe the emperor and her mother are just old flames. But for real tho, does that stepmother intends to make her daughter a new consort for the emperor, when her own sister is also in the emperor's harem? Am i wrong?