On Bossun's 15th birthday, he finds out the truth about his parents. Unable to cope with the tragedy, he lashes out, only to meet the child his father once saved when he was a kid, all grown up, who gives him a letter...
I'm not trying to be a hero or anything, 
but I just couldn't overlook that...
No quiero que me veas como un hipócrita, 
es sólo que no te podía dejar así.
No quiero ser un héroe ni nada, 
pero no podía ignorarlo.
Não quero ser herói nem coisa 
nenhuma, mas não pude ignorar...