To protect his new oath sister, Linnea, Yuuto leads the Wolf against the "Hoof" clan, their enemy. Things are going well for the Wolf when the leader of the Hoof strikes at Linnea's army, the weakness in their defenses.
But she's my little sister.
Aber sie ist meine Schwester.
Pero es mi hermana menor.
Pero es mi hermana pequeña.
C’est vrai,
Ma è la mia sorellina.
Mas ela é minha irmã mais nova.
Но она моя младшая сестра.