Anime poor boy abandoned for family death

Try an idea

• Create an anime trailer: a neglected boy is reborn as a billionaire, exposing his cruel family and reclaiming his future.
• Animate his former parents grieving years later as he returns powerful, while their empire collapses through his careful revenge.
• Show his joyful new life: marrying a kind beauty, raising cute twins, and choosing healing over the family that betrayed him.