Lesya's true identity is revealed: she is a maneater -- an assassin. As they take swings at each other, Moroha's holy sword awakens.
front of your own sister, Nii-sama.
während ich da bin, Nii-san.
à une autre fille devant moi,
grand frère.
proprio davanti alla tua sorellina, nii-sama.
na frente da sua irmã, Nii-sama!