Rio and the others have traveled to the royal capital of the Kingdom of Karasuki with the village's annual tribute as guards. With their duties fulfilled, Rio and Sayo head into the castle town. They enjoy a meal and are doing some shopping when wandering warriors attempt to abduct a young girl. Rio jumps into the fray and easily defeats them, saving the girl. Her name is Komomo and she's the tax examiner Hayate's younger sister.
Hayate's father Gouki receives a letter from Yuba. What he reads astonishes him and he and his wife, Kayoko, visit the lodgings where Rio is staying. They reveal to Rio that they once served his mother, Ayame.
I am sure you can already guess that the 
member of the royal family he guarded...
أنا واثق أنك تعرف من كان عضو العائلة الملكية
 ...الذي قام بحراسته
Du kannst dir bestimmt schon denken, dass er
Como debería imaginar,
a quien resguardó…
Como debería imaginar,
a quien protegió…
Tu t’en doutes,
la tête couronnée en question…
Come avrete già intuito,
gli fu dato il compito di proteggere...
Já deve ter adivinhado que o membro
da Família Real que ele foi guardião...
Наверняка вы уже поняли, 
кого он охранял.