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.
This feels like a exposition 
character just showed up
أشعرُ وكأنّ شخصية تفصيليّة قد ظهرَتْ للتو
Weil Nya-tan nur
Zeit verplempert,
Es como si decidieran meter otro personaje
Es como si decidieran meter otro personaje
On m’a collé un personnage explicatif
parce que Miaou se la coule douce ?
È come se fosse appena comparso 
uno spiegatore,
Parece que um personagem
 de explicação apareceu