This fourth OVA of the Tsuma Netori series is a prequel to the events of the eroge and the past three episodes. I have not played the eroge yet and while watching this there were no English subtitles available so I will be reviewing this based solely on my arousal and enjoyment towards this episode (as most of us are expecting from such a series anyway). Firstly, if you are into BDSM, NTR, subjugation and mind-breaking, fluids (lots of saliva, sperm, and yes includes a scene with watersports and scat), and the consistently great erotic art direction and expression of ZIZ/LiLith, then this will be a great 30-minute moment of self-pleasure.
I was perhaps hoping to see more of an appearance of Makoto from the past episodes, and perhaps even a snippet with Ikumi, but the new female protagonist Yurina is a nice new addition. I am sure much more of Yurina would be revealed in the eroge game but once again this was an arousing experience with yet another Tsuma Netori spinoff OVA.