Recap of the first seven episodes of Dokyuu Hentai HxEros

Momoko is a beautiful young sword fighter who was born inside a peach (momo in Japanese). She lives with her constant companions—the dog god Inugami, the monkey god Sarugami, and the pheasant god Kijigami—in a peaceful paradise. However, a demon army led by devil king invades the paradise and steals the precious treasure that protects Momoko's land. To retrieve the treasure and save the people, Momoko embarks on a great adventure with her three companions.

ARP: A 4-member dance and vocal group created by the latest AR technology. This popular group got their start with Avex, and are unique for their interactive concerts which combine highly-skilled song and dance routines with a format that changes based on how much the fans are cheering them on. (Source: Crunchyroll)

Fake movie promo video. Included in the DVD volume 9.