Sakuya teases Nagi explaining that she is so bratty that she can't take care of young children. Furious, she asks Hayate to go out and find her kids to take care of.
If ya don't give 'em things 
that kids are more likely to enjoy,
¡¿De qué sirve si no les das cosas 
con las que disfruten estos niños?!
Se você não fizer coisas que as crianças 
gostam, então qual é a razão disso?!