Futagami Sousuke, 14 years old, is a normal student, wishing to live a normal life. But everything changes the day he sees a doppelganger of himself in his house. Since then, the girl he has a crush on, Aman...

Ten years ago an attack by giant monsters called Idola floating in the sky leveled Washington D.C. and awakened humanity to the existence of other life forms. It took years to develop a measure to counter th...

Yukiteru "Yuki" Amano is a loner who never really interacts with people and prefers writing a diary on his cell phone with his imaginary friends Deus Ex Machina, the God of Time and Space, and Muru Muru, Deu...