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.
That's right! To places 
no one's ever been before.
هذا صحيح! إلى أماكن لم يزرها أحدٌ من قبل
Genau! Wir gehen dahin,
wo vor uns noch niemand war.
Sí, ¿no quieres ir junto a tu amigo a 
un lugar al que nadie antes ha ido
Sí. ¿No quieres ir con tu amigo a 
un lugar al que nadie había ido antes
Oui.
Esatto! Verso luoghi inesplorati e oltre!
Isso mesmo! A lugares 
nunca antes desbravados.