I just discovered that this manga is adapted from a novel and it has been completely translated !Fake Holy Sword Story ～I Was Taken Along When I Sold My Childhood Friend～
Wrong copy lolHere's the link https://www.novelupdates.com/series/fake-holy-sword-story-%EF%BD%9Ei-was-taken-along-when-i-sold-my-childhood-friend%EF%BD%9E/
I just discovered that this manga is adapted from a novel and it has been completely translated !
Fake Holy Sword Story ～I Was Taken Along When I Sold My Childhood Friend～