Kurumi Nakata

Akira Tendo est employé dans une société où il est exploité et harcelé par son patron. Responsable de tâches absurdes, il passe ses journées avec la sensation d'être plus mort que vivant quand, un matin, il se réveille pour découvrir sa ville dévastée et envahie de zombies. Face à ce tableau apocalyptique, Akira explose de joie : il n'est plus obligé de retourner au bureau ! Exprimant alors sa positivité naturelle, le jeune homme compose une liste de 100 choses qu'il veut faire avant de devenir zombie à son tour, à commencer par nettoyer son domicile et camper sur son balcon, puis entreprend de réaliser ses rêves.

While driving home from her day, a young woman witnesses another woman lying in the street covered in a strange goo and warning of a threat from space before she passes. Relaying the information to the authorities, she learns of the real nature of the incident and how several other strange disappearances around the city are related to the events she reported. Talking to her friend about the situation, he begins looking into the reported cases of women disappearing only to himself disappear during the ensuing investigation. Turning to her sister to help process the situation, they find themselves the target of strange alien-like amoebas looking to abduct human women in order to procreate with them and must team up with the Defense Ministry investigating the events in order to stop the creatures from taking over the Earth.

Ichiko and Otoya are happily married, despite not having sex for the last two years. The secret to their happiness is Otoya's affair with Mitsuki, which Ichiko approves. Everything is going well until Otoya rejects Ichiko's advances on the night of their seventh anniversary. In shock, Ichiko seeks advice from her friend who suggests she exercise her right to have a boyfriend of her own.