"Son... You mean you are their..."
"The woman who summoned you was my mother," Lucifer replied, bringing his mother's gloves out of his pocket. "That day, she was poisoned, and she was never found after that. She died there with my father."
"H-how? How are you here?" Amelia asked, not understanding. "A human coming to our world?"
"That's right. I accidentally ended up here because of a summoned beast. My friends are also humans. That's why we were trying to find a beast that is usually summoned so we could go back," Lucifer replied.
He had also understood why he felt some familiarity from Amelia. It was because she was linked to his family through a special summoning bond. Even though his mother was gone, that bond still existed with his family and, in turn, with him.
"I-i don't know what to say. It... I am sorry for not protecting your mother..."
