Tondera House no Daibouken

The series began in the middle of a game of hide and seek, as a young boy named Justin Casey (Gen) finishes counting and begins searching for his friends Angela (usually called "Angie") and Corkey Roberts (Kanna and Tsukubo Natsuyama). As he searched for the brother and sister in the wooded area, a storm occurred all of a sudden. Justin managed to sneak up on the two before the rain started pouring, forcing them to run for cover. They would eventually find a house in the wooded area, previously unseen according to Justin. At first glance it appeared nobody was home after entering the house, until they discovered a robot named Solar Ion Robot (Kadenchin), or the acronym SIR. They would soon meet the owner of the house, Pr...