In the series, the Hino family picks up their “little brother“ from the airport. The “brother“ turns out to be Rilienthal, an intelligent dog who speaks Japanese. He is also the target of men in b...more

In the series, the Hino family picks up their “little brother“ from the airport. The “brother“ turns out to be Rilienthal, an intelligent dog who speaks Japanese. He is also the target of men in black suit from a mysterious organization. They refer him as RD-1.