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...
"Haru. So today is your 
birthday. November 11th...
"Para Haru:"
"Haru, hoy es tu cumpleaños, el 11 del 11...
"Haru. Então hoje é seu aniversário. 
Dia 11 de novembro...