She was the experimental subject of a scientist in the Z organization. Alice obtained the flame through human experiments. There were gains and losses. She gained strength, but lost the ability to speak.
He is the most powerful child in Alice Academy, possessing a power that even adults are afraid of confronting him. He hates that the academy separates him from his family, and that his sister and friends have lost their freedom because of him.
She gained strength through death, and he squandered his life force through tasks. When they met, the flames of death entangled their fates, and they could not escape the flames throughout their lives.