The movie is an adaption from a manga with the same name written by Shungicu Uchida. It's an unique psychological suspense about a woman who is addicted to dating websites, but she ends up encountering there more than she expected and that might cause her own collapse.
A strange virus turns 90% of the world population into Lust eating Zombies. However, in Akihabara, Japan, some males were found to be uninfected. These men team up with the Zombies to go after the flesh and blood of surviving young women to fill their lust. The women survivors must fight to survive in an apocalyptic Japan.