1 Ai wa Sekai o Sukuu no ka!? - Due to virus, women have decreased. Scientists try to figure out a way to bring back humanity and fix this virus.
2 Hatsujou Virus (Spin-Off) - After accidentally contracting an experimental virus, a haphephobic (fear of touching/being touched) lab technician, Tatsumi craves for touching.
http://natsuyaoi.com/?p=250
3 Estrus Virus - Official dj of Hatsujou Virus
Hatsujou Virus