Story
OVA by Seven — Fall 2016, 3 episodes, Finished.
Once there was this kid, a simple lad who just loved life. Let's call him A-kun. One day, while he was playing outside, he sees a spooky figure off in the distance - in the form of a giantess. He ran back indoors, fearing for his life. His parents did all they could to protect him from this evil spirit. Despite their best efforts, the she-devil still managed to get inside the house...
Synopsis via AniList (English).
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