Banished from the Hero's Party, I Decided to Live a Quiet Life in the Countryside, Vol. 4 LN

The search for the missing Hero, Ruti, has led all her party members to the remote region of Zoltan. Ares plots to use the girl for his own designs, but Red isn't willing to surrender his sister without a fight! This is a tale of a brother and sister who refuse the call to save the world and instead strive to forge a happy everyday life.