Sons from a mistress are taken in after their mother dies.. the eldest sells his body to a powerful man so he can get rid of his father the CEO(for revenge). The little brother is blind.
A a boy becomes a prostitute in order to avenge his dead father. He get the emperor of the land to fall in love with him.
An illegitimate son comes back to take revenge on the family by starting with the beloved cousin
Oto No Nai Ame Wa Furitsuzuku