Leila Cleo/Jackal

Leila Cleo Hypatia known by the code name Jackal (Jackal), is an Officer of World Serpent and a former Valkyrie of Schicksal. Jackal is a scientist from World Serpent (Jörmungandr), performing experiments beyond morality. She is very proud in praising her intellect and does not hesitate on the means to achieve her goals. She previously had an optimistic outlook on life which changed after her sister's death.