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. 
This kid, Gakuto, is my little brother!
Das Baby, Gakuto, ist mein kleiner Bruder!
¡Gakuto es mi hermanito menor!
Ce petit bébé, c’est mon frère !
Questo bimbo, Gakuto, è il mio fratellino!
O Gakuto é meu irmãozinho!
Это Гакуто! Мой младший брат!