On a drizzley morning, Miss Monochrome wakes up in her four and a half tatami-mat sized apartment. When she tries to change her battery, a leak in her roof causes her battery box to explode. What should appear from the smoke of the explosion but a good-looking guy in the form of a battery! Miss Monochrome and Battery-kun are shocked by this destined encounter. Thus begins their days of friendship.
Someday, I will be recycled,
يوماً ما، سيتمُّ إعادة تدويري
Eines Tages werde ich recycelt werden
Algún día espero ser reciclado 
para volver a verte.
Espero que me reciclen algún día 
para volver a verte.
Un jour, je serai recyclé
et j’attendrai le moment
Un giorno, verrò riciclato
Algum dia, eu serei reciclado