Akanyatsura are a family full of chivalry. Each of them burdened by the trauma of a certain event, they think of each other as a family unrelated by blood. 
You're my dear brother, after all.
Weil wir halt Brüder sind.
T’es mon frère, après tout.
Tu sei mio fratello, sei prezioso.
É meu irmão precioso.
Потому что ты мой брат.