Ep. 2: Moka menghadapi saudara perempuannya yang separuh manusia, Kokoa Shuzen, yang menyerang dirinya dengan kelelawar yang bisa berubah bentuk.

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The atmosphere grows more ominous as Moka identifies the mysterious girl as her younger half-sister Kokoa Shuzen. As children, Moka's tough inner self had always fought with and won against Kokoa at their home. However, when Moka had moved out of their home with her powers sealed in the rosary, Kokoa had chased her everywhere and vowed to challenge Moka's timid outer self one last time. Kokoa soon bursts into the classroom, and chases Moka around the school, using her mysterious bat, capable of shapeshifting into various weapons, to attack. Tsukune and the others do their best to protect her. Moka later confronts Kokoa outside, yet unable to fight back, and soon admitting defeat. Tsukune speedily intercedes when Kokoa still attacks, and he removes the rosary from Moka's neck. After Moka's inner self lands a stalwart kick on Kokoa, the latter runs to eagerly and lovingly greet the former. Kokoa quietly resolves to have her sister all to herself, as Tsukune carries an exhausted Moka to the infirmary. (Source: Wikipedia)