“Because in order for me to have a brother, I have no choice but to do this.”

'Min-hyung', a psychopath who has been lusting for 'Ee Jae' who raised himself since he was young.
He succeeds in hiding his crooked nature and making Lee Jae rely solely on himself, but the long-term plan and relationship begin to be distorted by the disturber 'Hyun-ho' who appeared in front of the two.