Banished From The Hero’s Party I Decided To Live A Quiet Life In The Countryside Vol. 1 (Light Novel)

Red is an adventurer born with the protection “Guide,” which gives him +30 to his level. After being recruited by a knight order and rising in the ranks, he finds out that his sister Ruty is a hero and forms a party with her and other heroes. Their goal: to defeat the Demon Lord’s army. However, after the rest of his party catches up to him in level, he quickly becomes the weakest link due to not having any magical abilities and is kicked out of the party. After arriving in the remote land of Zoltan, he makes use of the knowledge he gained during his time as a hero and saves up enough money to open his own apothecary. However, shortly after opening the store, a blast from the past arrives in the form of former party member Rit, who decides to move in with him!
Notice: This book is written in Japanese.