There's a game where the mc's parents are killed and I believe his aunt takes him in. But he finds out his family are assassins and he starts training to become one and avenge his parents. Some deeper details are that there's a scene where the mc is peeking in on the aunt bathing and she like quickly shuts the door on him. As well the mc gets some training by a dude with white hair. Im pretty sure its abandoned but I want to play it again and keep tabs on it