After the war, Lysithea returned to her parents in Ordelia territory. She was joined by Hanneman, and together the two worked to research a method by which to extend her lifespan. Some years later, their efforts bore fruit, and they devised a procedure to remove her Crests. Afterward, Lysithea renounced her noble claim and continued to assist Hanneman with his research. When he passed, she took up his mantle, and by the great discoveries she made, came to be called the Golden Child of Crestology.