One day, Bossun discovers a box of video tapes in his mother's room. The videos show his young mother, a pretty woman named Haru, and a man who looks just like him...
Mom got pregnant with me 
before they were married,
Mi mamá quedó embarazada 
antes de casarse con mi padre,
Mamá se quedó embarazada de
 mí antes de que se casaran,
Minha mãe engravidou de mim 
antes de eles se casarem