Even after the encounters with Jigen’s deputies, The Leaf knows little about Kara. In order to learn more about Boro’s connection to Kara, Konohamaru and Sai are tasked with a mission to infiltrate his cult.

That's why we followed Lord Boro.
.لهذا اتّبعنا بورو-ساما
Deshalb haben wir
Meister Boro Folge geleistet.
Por eso lo seguíamos.
Por eso lo seguíamos.
Per questo
Por isso, nós seguimos o Boro.
Поэтому… 
мы и последовали за господином!