The story revolves around a highschool boy named Niwa Makoto. He lives with his aunt's family since his parents are away on business. It is there where he meets his mysterious cousin of the same age Touwa Erio — who happens to tie a futon mattress around her upper body and is a self-proclaimed alien. Her staple food is pizza. Erio had been missing for half a year and was found floating in the sea. She doesn't remember anything about what happened during that period of time, but she began to think that it was the act of an alien and wanders the neighbourhood wrapped in the futon.
Miyu Irino
Niwa Makoto (voice)
Asuka Ohgame
Touwa Erio (voice)
Ai Nonaka
Touwa Meme (voice)
Emiri Kato
Mifune Ryuuko (voice)
Mai Fuchigami
Maekawa-san (voice)
Yuka Iguchi
Hoshimiya Yashiro (voice)
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