With Köshi and Momoko poisoned, they have to still battle Tenga Koganei in order to get the antidote, but the sun is close to setting, which means death for Köshi and Momoko. Upon entering battle, Momoko finds that Tenga is much more powerful than she expected and before long the battle is all but over. When Momoko cannot fight any longer, Tenga gives the antidote to Köshi, though there is only enough for one person. Right before the sun sets, Köshi gives Momoko the antidote, and after she awakens to find Köshi dead, unleashes her ultimate fury on Tenga, and wins the battle...