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.
Huh? That meow...
...هاه؟ هذا المواء
Hä? Was hat da miaut?
¿Eh? Ese maullido...
¿Eh? Ese maullido...
Eh? Quel miagolio...
Hã? Esse miado...