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.
I had no idea she was your little sister.
.لن أعلم بأنها أختك الصغرى
Mir war gar nicht bewusst,
dass Ihr eine kleine Schwester habt.
No pensé que fuera su hermana.
No pensé que fuera su hermana.
J’ignorais qu’elle était votre sœur.
Non potevo immagine fosse sua sorella.
Eu não tinha ideia de que ela
era a sua irmã mais nova...
Подумать только, вы её старший брат!