Cain heads to the royal capital with his family for a party celebrating his debut in noble society. On the way, they see a carriage being attacked by monsters, and Cain runs to help... and then learns that he's saved the princess and the duke's daughter.
lying side-by-side like 
we're writing "river" in kanji!
نائمان جانب بعضنا الآخر كعائلة شديدة التّقارب
je me retrouve coincé entre elles !
dormiremo nella posizione del fiume!
está dormindo igual o kanji de rio!
Спать мы будем как будто на одной кровати!