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. 
Nothing, I just feel like my 
discipline has been lacking.
Ach, mir ist nur klargeworden, dass ich
noch nicht genug Übungen absolviert habe.
Nada, solo pensaba
en que me falta entrenar más.
J’ai pris conscience
que le chemin était encore long.
Ah, mi sono accorto 
di non essermi addestrato abbastanza, oggi.
Nada. Só sinto que preciso
aprimorar a minha disciplina.
Просто подумал, что мне
далеко до совершенства.