He later found out that Haruto is his stepbrother.
Two people with completely different backgrounds and values.
This could be looked into in Season 2.
A month and a half later Rio went again to the capital for giving his new year greetings to his grandparents.
After Rio and Miharu's return, Sara and Ouphia helped Christina's group escape from Creia and escorted them to Rodania.
She helped Latifa adapt to life in the village.