Signal is a robot built by Dr. Otoi, an aging robotics genius. He is supposed to keep the doctor's lonely grandson Nobuhiko company and out of mischief. Signal is almost perfect -- tall, handsome, super strong, athletic, and intelligent. Unfortunately he is plagued by one bug, whenever Nobuhiko sneezes, Signal is miniaturized -- that is to say he becomes a cute tiny version of himself with the mentality to match! The Otoi household is staffed with robots of all shapes and sizes, the most popular one being Elara, a pretty female robot who specializes in housekeeping. It's all sunshine and laughter until one day, agents of Dr. Otoi's arch-rival steals and reprograms Pulse, a prototype robot he had been working on...
{Credit to Apatt Seriniyom @Animetric.com)<br />