Story
OVA by NewGeneration — Summer 2017, 2 episodes, Finished.
Half a year after Naoto Takahashi's father got remarried, he hasn't gotten used to the new family members: his stepmother, Sachiko, and his new little sister, Yui. One night as he tries to figure out how to smooth things over with his sister, he gets an app to allows him to take over someone else's body.
Synopsis via AniList (English).
