In a certain place, there was a yokai known as Takuroubi. As anything it touched burned, it lived avoiding humans and even yokai. Ratman approaches Takuroubi and proposes that he work for humanity's sake, taking advantage of the deep loneliness that Takuroubi feels. Thus, Ratman's attraction, BiBiBi Fire, becomes a big hit. Takuroubi was ordered to never leave his room at night, but one evening, unable to stand the boredom, he goes out. He meets a mysterious robot, Pig. Takuroubi and Pig hit it off immediately, and their friendship quickly deepens, but...
I'm the Rat Man. I don't fret over
little things like that.
أنا الرجل الجرذ، لا ألقي
.بالًا لأشياء صغيرة كهذه
Ich bin Nezumi-Otoko. Wegen solcher
Lappalien mach ich keinen Aufstand.
Soy Hombre Rata. No me molestan 
cosas triviales como esta.
Soy Hombre Rata. No me molestan
cosas triviales como esta.
Je suis Ratichon,
alors ce genre de broutilles, moi…
Io sono Nezumi Otoko, un uomo che non si dà pensiero per così poco.
Eu sou o Homem Rato, não se
preocupe com essas coisas pequenas.
Я человек-крыса. 
Меня такой мелочью не расстроишь.