The older brother Mumei serves is Biba Tenshin, leader of the Hunters - a special division dedicated to hunting Kabane. However, while the people praise Biba as a hero, Ikoma does not trust him.
Brother, this is my shield.
.أخي، هذا هو درعي
Bruder, das ist er. Mein Schild.
Hermano, es él. Es mi escudo.
Hermano, es él. Es mi escudo.
C’est lui, grand frère.
Mon bouclier.
Fratello, questo ragazzo... 
è il mio scudo.
Irmão, esse é o meu escudo.
Брат, я о нём говорила.