Yuuki asks Rimuru to investigate the Kingdom of Coleus, where a battle for succession has pitted the kingdom's two princes against each other. Rimuru launches a covert operation to sneak into Coleus and find out what's driving this conflict.
I previously looked 
into Rimuru-sensei's origins,
،بحثتُ في السّابق حول أصول ريمورو-سينسي
Ich habe mich ein wenig über Herrn
Rimurus Herkunft schlau gemacht.
Investigué los orígenes del señor Rimuru
Investigué los orígenes del señor Rimuru
Je me suis permis d’enquêter
sur les origines de M. Limule,
In passato ho condotto delle ricerche 
sulle origini del Maestro Limur,
Eu já investiguei as origens
do Rimuru-sensei,
Я пытался изучить прошлое 
учителя Римуру,