Cha Doha gets isekaid and to make sure no one notices she's missing the world that quest-napped her sends in a substitute to cover for her while she's of adventuring. However, the substitute is not doing the best of jobs and soon gets caught red handed by Doha's twin brother Doyoon. To make his cover more convincing the substitute asks Doyoon to help him fullfill his duty as a replacement. This is their story. From unlikely allies to friends to maybe something more.
Perfect Replacement