The Yuzuki family's four brothers cherish each other deeply. Among them, the second son, Mikoto, dotes on Minato, the third son, while Minato, in turn, adores Gakuto, the youngest. 
W...what's a little brother like?
W-Wie ist es denn,
einen kleinen Bruder zu haben?
¿cómo son los hermanitos menores?
Comment c’est, un petit frère ?
C-Com'è avere un fratellino?
C-Como é ter um irmãozinho?