Amato Takeru, a high school student, has just moved to Akihabara. He's chosen a house with cheap rent, but with one particular imperfection: a hole in the living room floor. When he peeks into it, a girl pops out... And so begins the hectic life of Takeru and the cat Eto-musume, Nya-tan.
Yes. I'm an Eto-musume, like Nya-tan.
نعم، أنا إيتو-موسومي، مثل نيا-تان
Ja. Ich bin eine Eto-musume,
so wie Nya-tan, bin ich.
Sí. Soy una Eto-musume, como Nya-tan.
Sí. Soy una Eto-musume, como Nya-tan.
Oui.
Sì. Sono una Eto-musume, come Nya-tan.
Sim, eu sou uma
 Eto-musume, como a Nya-tan.