1. DVD Bonus episode

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. 18 June 2010. 30 min

Released with the "Complete Edition" DVD. This extra episode takes place right after volume 2, covering 2 more girls from the game.

2. Harem of the Hell Spawn

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. 4 August 2017. 30 min

Takeru, Mikoto and Sui are back and this time they are under the full control of a dark yoma specialist. As much as they struggle to escape they are forced to be a breeding ground for insect like demons. Takeru has given in fully to the yoma and her lust for her sister Mikoto is clouding her mind. Can they be saved?