Golden Darkness, also known as Yami, is a prominent character from the anime series 'To Love-Ru'. She is introduced as an alien assassin with mysterious abilities and a cold demeanor. Despite her initial mission to eliminate the protagonist Rito Yuuki, she gradually becomes a part of his life and forms a unique bond with him. Yami is known for her transformation ability, which allows her to change her body parts into various weapons. Her character development explores themes of friendship, trust, and redemption as she learns to open her heart to those around her.