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.
Plus-Minus Electrical
كهرباء موجب-سالب
Plus-Minus Elektronik
 Tienda de Electrodomésticos
 "Positivo-Negativo"
Tienda de electrodomésticos
 "Positivo-Negativo"
Plus ou moins électrique
Polo delle Pile
Eletrônica Positivo-Negativo