Shinsuke and Shakugan are staying with Jinka and Tama, but Shinsuke isn't learning much in the way of fighting skills. Instead, Shinsuke is left behind to do chores when Tama and Jinka are informed of trouble with a local katawara.  
We're the siblings for 
world reformation, after all.
.نحن أخويّ إصلاح العالم في النهاية
On est les Réformateurs,
après tout.
Dopotutto siamo i fratelli
che risaneranno il mondo!
Мы же Перевоспитатели мира.