Compilation of the four short films in the Extraneous Matter series.

Yasushi and Yuka, who have both lost their spouses in the past, are brought together by fate and lead a happy life together, blessed with two children. Then one day, their new house, which the couple had painstakingly built together, catches fire due to Yuka's carelessness. Fortunately, no one in the family is seriously injured and Yasushi is relieved, but the shock of the fire causes Yuka to suffer from a neurological disorder called dissociative amnesia, and she is unable to remember even her own name. The doctor tells her that there is no clear cure in modern medicine, which shocks Yasushi, but she accepts Yuka in her current state and decides to walk with her again.

One day, a meteorite hits the earth, and Seiya is on the roof, making a phone call.

Hyasaka Yukari only wants one thing: to enter the college that her mom wants. One day, she meets an extravagant group that loves fashion. They were searching for a model and Yukari fits their ideal model. From now Yukari will know the world of fashion and modeling, and what she really wants.

Two office workers visit a colleague who no longer comes to work. They discover something unexplained and frightening.

One day, a strange thing comes to her, who is suffering from being sexless with her boyfriend.

Wakaba saves her classmate Koki who was being bullied. From then on, people who are involved with Wakaba are killed one after another. When the murderer is found out, Wakaba realizes what true love is.

One day, while Seiya was calling everybody on the phone to tell them "It's me, thank you" on the rooftop of a building, a strange creature with emerald-blue fur, something he had never seen before, descended from the sky. The creature, along with its companions, claimed they had come to exterminate human race. However, through conversations with the humans they encountered, they gradually began to understand each other...