From the Warlord's Empire IV

While Kojo and Sayaka have trouble with the Nalakuvera, Yukina engages Gardos in combat. Yukina manages to slice of Gardos's arm, but she loses Gardos who had Asagi and Nagisa captive. Meanwhile, Sayaka offers her blood to Kojo. After Kojo bites Sayaka's neck, he summons a new familiar, a unicorn. Yukina joins Kojo and Sayaka in battle. She notices Sayaka is wearing Kojo's jacket. Yukina informs the two that Asagi had started program that will deactivate the Nalakuvera's system. With the help of Asagi's program, Yukina and the others defeat the Nalakuvera. The third leader of the Lion King organization gives a letter to Vatler.