He is the second son in the Bronte household.
SpoilerHe is the illegitimate son of Duke Bronte
He was a faithful and close friend to Dorothea in her past life as a tyrant.
Spoiler It is revealed that he is the current owner of the Light Spirit stone, which he stole from Julia Delevine after murdering her. Just like Dorothea, he is a returner. He used the Stone's power to enter into a contract with Lux, the King of Light Spirit as all the Millanaires were dead. Under the terms of the contract, Ethan regressed and turned back time to when Dorothea was still alive.
